Home / 853,219.83-1,177,342.65-471,223.83

Finding the Fourth Proportional to 853,219.83, 1,177,342.65 and 471,223.83

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Solution

The fourth proportional to 853,219.83, 1,177,342.65 and 471,223.83 is: 650,233.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,219.83 : 1,177,342.65 = 471,223.83 : x
  2. Step 2: Convert to fraction form
    853,219.83/1,177,342.65 = 471,223.83/x
  3. Step 3: Cross multiply
    853,219.83x = 1,177,342.65 × 471,223.83
  4. Step 4: Simplify right side
    853,219.83x = 554,791,912,755.35
  5. Step 5: Solve for x
    x = 554,791,912,755.35/853,219.83
  6. Step 6: Final answer
    x = 650,233.26

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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.