Home / 853,691.76-1,178,094.24-471,715.20

Finding the Fourth Proportional to 853,691.76, 1,178,094.24 and 471,715.20

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Solution

The fourth proportional to 853,691.76, 1,178,094.24 and 471,715.20 is: 650,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,691.76 : 1,178,094.24 = 471,715.20 : x
  2. Step 2: Convert to fraction form
    853,691.76/1,178,094.24 = 471,715.20/x
  3. Step 3: Cross multiply
    853,691.76x = 1,178,094.24 × 471,715.20
  4. Step 4: Simplify right side
    853,691.76x = 555,724,960,040.45
  5. Step 5: Solve for x
    x = 555,724,960,040.45/853,691.76
  6. Step 6: Final answer
    x = 650,966.76

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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.