Home / 926,231.40-1,389,347.10-327,212.10

Finding the Fourth Proportional to 926,231.40, 1,389,347.10 and 327,212.10

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Solution

The fourth proportional to 926,231.40, 1,389,347.10 and 327,212.10 is: 490,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,231.40 : 1,389,347.10 = 327,212.10 : x
  2. Step 2: Convert to fraction form
    926,231.40/1,389,347.10 = 327,212.10/x
  3. Step 3: Cross multiply
    926,231.40x = 1,389,347.10 × 327,212.10
  4. Step 4: Simplify right side
    926,231.40x = 454,611,182,219.91
  5. Step 5: Solve for x
    x = 454,611,182,219.91/926,231.40
  6. Step 6: Final answer
    x = 490,818.15

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Half scale
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Double scale
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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.