Home / 853,614.05-1,178,011.15-471,665.43

Finding the Fourth Proportional to 853,614.05, 1,178,011.15 and 471,665.43

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Solution

The fourth proportional to 853,614.05, 1,178,011.15 and 471,665.43 is: 650,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,614.05 : 1,178,011.15 = 471,665.43 : x
  2. Step 2: Convert to fraction form
    853,614.05/1,178,011.15 = 471,665.43/x
  3. Step 3: Cross multiply
    853,614.05x = 1,178,011.15 × 471,665.43
  4. Step 4: Simplify right side
    853,614.05x = 555,627,134,430.38
  5. Step 5: Solve for x
    x = 555,627,134,430.38/853,614.05
  6. Step 6: Final answer
    x = 650,911.42

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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.