Home / 454,012.38-626,237.10-283,951.26

Finding the Fourth Proportional to 454,012.38, 626,237.10 and 283,951.26

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Solution

The fourth proportional to 454,012.38, 626,237.10 and 283,951.26 is: 391,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,012.38 : 626,237.10 = 283,951.26 : x
  2. Step 2: Convert to fraction form
    454,012.38/626,237.10 = 283,951.26/x
  3. Step 3: Cross multiply
    454,012.38x = 626,237.10 × 283,951.26
  4. Step 4: Simplify right side
    454,012.38x = 177,820,813,603.75
  5. Step 5: Solve for x
    x = 177,820,813,603.75/454,012.38
  6. Step 6: Final answer
    x = 391,665.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.