Home / 864,276.71-1,192,591.82-482,319.59

Finding the Fourth Proportional to 864,276.71, 1,192,591.82 and 482,319.59

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Solution

The fourth proportional to 864,276.71, 1,192,591.82 and 482,319.59 is: 665,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,276.71 : 1,192,591.82 = 482,319.59 : x
  2. Step 2: Convert to fraction form
    864,276.71/1,192,591.82 = 482,319.59/x
  3. Step 3: Cross multiply
    864,276.71x = 1,192,591.82 × 482,319.59
  4. Step 4: Simplify right side
    864,276.71x = 575,210,392,902.59
  5. Step 5: Solve for x
    x = 575,210,392,902.59/864,276.71
  6. Step 6: Final answer
    x = 665,539.62

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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.