Home / 731,347.66-1,092,161.39-723,430.72

Finding the Fourth Proportional to 731,347.66, 1,092,161.39 and 723,430.72

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Solution

The fourth proportional to 731,347.66, 1,092,161.39 and 723,430.72 is: 1,080,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,347.66 : 1,092,161.39 = 723,430.72 : x
  2. Step 2: Convert to fraction form
    731,347.66/1,092,161.39 = 723,430.72/x
  3. Step 3: Cross multiply
    731,347.66x = 1,092,161.39 × 723,430.72
  4. Step 4: Simplify right side
    731,347.66x = 790,103,100,723.90
  5. Step 5: Solve for x
    x = 790,103,100,723.90/731,347.66
  6. Step 6: Final answer
    x = 1,080,338.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.