Home / 1,200,394.92-1,656,574.02-656,581.80

Finding the Fourth Proportional to 1,200,394.92, 1,656,574.02 and 656,581.80

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Solution

The fourth proportional to 1,200,394.92, 1,656,574.02 and 656,581.80 is: 906,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,394.92 : 1,656,574.02 = 656,581.80 : x
  2. Step 2: Convert to fraction form
    1,200,394.92/1,656,574.02 = 656,581.80/x
  3. Step 3: Cross multiply
    1,200,394.92x = 1,656,574.02 × 656,581.80
  4. Step 4: Simplify right side
    1,200,394.92x = 1,087,676,351,884.84
  5. Step 5: Solve for x
    x = 1,087,676,351,884.84/1,200,394.92
  6. Step 6: Final answer
    x = 906,098.76

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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.