Home / 629,637.10-944,455.65-405,688.30

Finding the Fourth Proportional to 629,637.10, 944,455.65 and 405,688.30

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Solution

The fourth proportional to 629,637.10, 944,455.65 and 405,688.30 is: 608,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,637.10 : 944,455.65 = 405,688.30 : x
  2. Step 2: Convert to fraction form
    629,637.10/944,455.65 = 405,688.30/x
  3. Step 3: Cross multiply
    629,637.10x = 944,455.65 × 405,688.30
  4. Step 4: Simplify right side
    629,637.10x = 383,154,607,073.90
  5. Step 5: Solve for x
    x = 383,154,607,073.90/629,637.10
  6. Step 6: Final answer
    x = 608,532.45

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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.