Home / 706,237.70-1,057,974.15-424,919.30

Finding the Fourth Proportional to 706,237.70, 1,057,974.15 and 424,919.30

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Solution

The fourth proportional to 706,237.70, 1,057,974.15 and 424,919.30 is: 636,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,237.70 : 1,057,974.15 = 424,919.30 : x
  2. Step 2: Convert to fraction form
    706,237.70/1,057,974.15 = 424,919.30/x
  3. Step 3: Cross multiply
    706,237.70x = 1,057,974.15 × 424,919.30
  4. Step 4: Simplify right side
    706,237.70x = 449,553,635,236.10
  5. Step 5: Solve for x
    x = 449,553,635,236.10/706,237.70
  6. Step 6: Final answer
    x = 636,547.21

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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.