Home / 424,330.03-636,475.91-124,820.38

Finding the Fourth Proportional to 424,330.03, 636,475.91 and 124,820.38

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Solution

The fourth proportional to 424,330.03, 636,475.91 and 124,820.38 is: 187,224.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,330.03 : 636,475.91 = 124,820.38 : x
  2. Step 2: Convert to fraction form
    424,330.03/636,475.91 = 124,820.38/x
  3. Step 3: Cross multiply
    424,330.03x = 636,475.91 × 124,820.38
  4. Step 4: Simplify right side
    424,330.03x = 79,445,164,947.05
  5. Step 5: Solve for x
    x = 79,445,164,947.05/424,330.03
  6. Step 6: Final answer
    x = 187,224.94

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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.