Home / 928,612.20-1,392,918.30-456,220.20

Finding the Fourth Proportional to 928,612.20, 1,392,918.30 and 456,220.20

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Solution

The fourth proportional to 928,612.20, 1,392,918.30 and 456,220.20 is: 684,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,612.20 : 1,392,918.30 = 456,220.20 : x
  2. Step 2: Convert to fraction form
    928,612.20/1,392,918.30 = 456,220.20/x
  3. Step 3: Cross multiply
    928,612.20x = 1,392,918.30 × 456,220.20
  4. Step 4: Simplify right side
    928,612.20x = 635,477,465,409.66
  5. Step 5: Solve for x
    x = 635,477,465,409.66/928,612.20
  6. Step 6: Final answer
    x = 684,330.30

Related Problems

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Half scale
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Double scale
Find fourth proportional to 928,613.20, 1,392,919.80 and 456,221.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.