Home / 961,711.60-1,327,046.36-553,946.06

Finding the Fourth Proportional to 961,711.60, 1,327,046.36 and 553,946.06

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Solution

The fourth proportional to 961,711.60, 1,327,046.36 and 553,946.06 is: 764,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,711.60 : 1,327,046.36 = 553,946.06 : x
  2. Step 2: Convert to fraction form
    961,711.60/1,327,046.36 = 553,946.06/x
  3. Step 3: Cross multiply
    961,711.60x = 1,327,046.36 × 553,946.06
  4. Step 4: Simplify right side
    961,711.60x = 735,112,102,559.34
  5. Step 5: Solve for x
    x = 735,112,102,559.34/961,711.60
  6. Step 6: Final answer
    x = 764,378.95

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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.