Home / 1,207,747.10-1,666,694.45-691,508.91

Finding the Fourth Proportional to 1,207,747.10, 1,666,694.45 and 691,508.91

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Solution

The fourth proportional to 1,207,747.10, 1,666,694.45 and 691,508.91 is: 954,284.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,747.10 : 1,666,694.45 = 691,508.91 : x
  2. Step 2: Convert to fraction form
    1,207,747.10/1,666,694.45 = 691,508.91/x
  3. Step 3: Cross multiply
    1,207,747.10x = 1,666,694.45 × 691,508.91
  4. Step 4: Simplify right side
    1,207,747.10x = 1,152,534,064,151.32
  5. Step 5: Solve for x
    x = 1,152,534,064,151.32/1,207,747.10
  6. Step 6: Final answer
    x = 954,284.28

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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.