Home / 1,207,747.60-1,666,695.14-691,509.40

Finding the Fourth Proportional to 1,207,747.60, 1,666,695.14 and 691,509.40

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Solution

The fourth proportional to 1,207,747.60, 1,666,695.14 and 691,509.40 is: 954,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,747.60 : 1,666,695.14 = 691,509.40 : x
  2. Step 2: Convert to fraction form
    1,207,747.60/1,666,695.14 = 691,509.40/x
  3. Step 3: Cross multiply
    1,207,747.60x = 1,666,695.14 × 691,509.40
  4. Step 4: Simplify right side
    1,207,747.60x = 1,152,535,356,244.32
  5. Step 5: Solve for x
    x = 1,152,535,356,244.32/1,207,747.60
  6. Step 6: Final answer
    x = 954,284.95

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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.