Home / 1,001,197.40-1,502,342.88-424,731.62

Finding the Fourth Proportional to 1,001,197.40, 1,502,342.88 and 424,731.62

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Solution

The fourth proportional to 1,001,197.40, 1,502,342.88 and 424,731.62 is: 637,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,197.40 : 1,502,342.88 = 424,731.62 : x
  2. Step 2: Convert to fraction form
    1,001,197.40/1,502,342.88 = 424,731.62/x
  3. Step 3: Cross multiply
    1,001,197.40x = 1,502,342.88 × 424,731.62
  4. Step 4: Simplify right side
    1,001,197.40x = 638,092,518,930.30
  5. Step 5: Solve for x
    x = 638,092,518,930.30/1,001,197.40
  6. Step 6: Final answer
    x = 637,329.38

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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.