Home / 424,923.80-636,705.30-224,983.40

Finding the Fourth Proportional to 424,923.80, 636,705.30 and 224,983.40

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Solution

The fourth proportional to 424,923.80, 636,705.30 and 224,983.40 is: 337,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,923.80 : 636,705.30 = 224,983.40 : x
  2. Step 2: Convert to fraction form
    424,923.80/636,705.30 = 224,983.40/x
  3. Step 3: Cross multiply
    424,923.80x = 636,705.30 × 224,983.40
  4. Step 4: Simplify right side
    424,923.80x = 143,248,123,192.02
  5. Step 5: Solve for x
    x = 143,248,123,192.02/424,923.80
  6. Step 6: Final answer
    x = 337,114.85

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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.