Home / 853,470.30-1,177,741.71-531,170.22

Finding the Fourth Proportional to 853,470.30, 1,177,741.71 and 531,170.22

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Solution

The fourth proportional to 853,470.30, 1,177,741.71 and 531,170.22 is: 732,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,470.30 : 1,177,741.71 = 531,170.22 : x
  2. Step 2: Convert to fraction form
    853,470.30/1,177,741.71 = 531,170.22/x
  3. Step 3: Cross multiply
    853,470.30x = 1,177,741.71 × 531,170.22
  4. Step 4: Simplify right side
    853,470.30x = 625,581,323,203.88
  5. Step 5: Solve for x
    x = 625,581,323,203.88/853,470.30
  6. Step 6: Final answer
    x = 732,985.46

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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.