Home / 926,465.10-1,389,697.65-393,852.30

Finding the Fourth Proportional to 926,465.10, 1,389,697.65 and 393,852.30

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Solution

The fourth proportional to 926,465.10, 1,389,697.65 and 393,852.30 is: 590,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,465.10 : 1,389,697.65 = 393,852.30 : x
  2. Step 2: Convert to fraction form
    926,465.10/1,389,697.65 = 393,852.30/x
  3. Step 3: Cross multiply
    926,465.10x = 1,389,697.65 × 393,852.30
  4. Step 4: Simplify right side
    926,465.10x = 547,335,615,757.10
  5. Step 5: Solve for x
    x = 547,335,615,757.10/926,465.10
  6. Step 6: Final answer
    x = 590,778.45

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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.