Home / 461,943.23-688,644.79-454,663.58

Finding the Fourth Proportional to 461,943.23, 688,644.79 and 454,663.58

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Solution

The fourth proportional to 461,943.23, 688,644.79 and 454,663.58 is: 677,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,943.23 : 688,644.79 = 454,663.58 : x
  2. Step 2: Convert to fraction form
    461,943.23/688,644.79 = 454,663.58/x
  3. Step 3: Cross multiply
    461,943.23x = 688,644.79 × 454,663.58
  4. Step 4: Simplify right side
    461,943.23x = 313,101,700,989.87
  5. Step 5: Solve for x
    x = 313,101,700,989.87/461,943.23
  6. Step 6: Final answer
    x = 677,792.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.