Home / 1,272,113.39-1,755,522.17-699,190.47

Finding the Fourth Proportional to 1,272,113.39, 1,755,522.17 and 699,190.47

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Solution

The fourth proportional to 1,272,113.39, 1,755,522.17 and 699,190.47 is: 964,885.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,113.39 : 1,755,522.17 = 699,190.47 : x
  2. Step 2: Convert to fraction form
    1,272,113.39/1,755,522.17 = 699,190.47/x
  3. Step 3: Cross multiply
    1,272,113.39x = 1,755,522.17 × 699,190.47
  4. Step 4: Simplify right side
    1,272,113.39x = 1,227,444,367,641.77
  5. Step 5: Solve for x
    x = 1,227,444,367,641.77/1,272,113.39
  6. Step 6: Final answer
    x = 964,885.98

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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.