Home / 1,139,795.60-1,572,780.90-656,517.92

Finding the Fourth Proportional to 1,139,795.60, 1,572,780.90 and 656,517.92

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Solution

The fourth proportional to 1,139,795.60, 1,572,780.90 and 656,517.92 is: 905,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,795.60 : 1,572,780.90 = 656,517.92 : x
  2. Step 2: Convert to fraction form
    1,139,795.60/1,572,780.90 = 656,517.92/x
  3. Step 3: Cross multiply
    1,139,795.60x = 1,572,780.90 × 656,517.92
  4. Step 4: Simplify right side
    1,139,795.60x = 1,032,558,845,083.73
  5. Step 5: Solve for x
    x = 1,032,558,845,083.73/1,139,795.60
  6. Step 6: Final answer
    x = 905,915.80

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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.