Home / 814,030.60-1,221,045.90-656,566.60

Finding the Fourth Proportional to 814,030.60, 1,221,045.90 and 656,566.60

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Solution

The fourth proportional to 814,030.60, 1,221,045.90 and 656,566.60 is: 984,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,030.60 : 1,221,045.90 = 656,566.60 : x
  2. Step 2: Convert to fraction form
    814,030.60/1,221,045.90 = 656,566.60/x
  3. Step 3: Cross multiply
    814,030.60x = 1,221,045.90 × 656,566.60
  4. Step 4: Simplify right side
    814,030.60x = 801,697,955,006.94
  5. Step 5: Solve for x
    x = 801,697,955,006.94/814,030.60
  6. Step 6: Final answer
    x = 984,849.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.