Home / 787,347.52-1,086,165.38-464,841.56

Finding the Fourth Proportional to 787,347.52, 1,086,165.38 and 464,841.56

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Solution

The fourth proportional to 787,347.52, 1,086,165.38 and 464,841.56 is: 641,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,347.52 : 1,086,165.38 = 464,841.56 : x
  2. Step 2: Convert to fraction form
    787,347.52/1,086,165.38 = 464,841.56/x
  3. Step 3: Cross multiply
    787,347.52x = 1,086,165.38 × 464,841.56
  4. Step 4: Simplify right side
    787,347.52x = 504,894,809,657.19
  5. Step 5: Solve for x
    x = 504,894,809,657.19/787,347.52
  6. Step 6: Final answer
    x = 641,260.43

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Double scale
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1.5x scale

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.