Home / 391,250.38-539,927.76-230,112.22

Finding the Fourth Proportional to 391,250.38, 539,927.76 and 230,112.22

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Solution

The fourth proportional to 391,250.38, 539,927.76 and 230,112.22 is: 317,556.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,250.38 : 539,927.76 = 230,112.22 : x
  2. Step 2: Convert to fraction form
    391,250.38/539,927.76 = 230,112.22/x
  3. Step 3: Cross multiply
    391,250.38x = 539,927.76 × 230,112.22
  4. Step 4: Simplify right side
    391,250.38x = 124,243,975,493.23
  5. Step 5: Solve for x
    x = 124,243,975,493.23/391,250.38
  6. Step 6: Final answer
    x = 317,556.18

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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.