Home / 784,606.71-1,176,755.05-215,841.07

Finding the Fourth Proportional to 784,606.71, 1,176,755.05 and 215,841.07

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Solution

The fourth proportional to 784,606.71, 1,176,755.05 and 215,841.07 is: 323,718.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,606.71 : 1,176,755.05 = 215,841.07 : x
  2. Step 2: Convert to fraction form
    784,606.71/1,176,755.05 = 215,841.07/x
  3. Step 3: Cross multiply
    784,606.71x = 1,176,755.05 × 215,841.07
  4. Step 4: Simplify right side
    784,606.71x = 253,992,069,119.90
  5. Step 5: Solve for x
    x = 253,992,069,119.90/784,606.71
  6. Step 6: Final answer
    x = 323,718.96

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Double scale
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Similar ratio
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1.5x scale

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.