Home / 391,427.11-540,160.23-230,292.53

Finding the Fourth Proportional to 391,427.11, 540,160.23 and 230,292.53

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Solution

The fourth proportional to 391,427.11, 540,160.23 and 230,292.53 is: 317,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,427.11 : 540,160.23 = 230,292.53 : x
  2. Step 2: Convert to fraction form
    391,427.11/540,160.23 = 230,292.53/x
  3. Step 3: Cross multiply
    391,427.11x = 540,160.23 × 230,292.53
  4. Step 4: Simplify right side
    391,427.11x = 124,394,865,972.08
  5. Step 5: Solve for x
    x = 124,394,865,972.08/391,427.11
  6. Step 6: Final answer
    x = 317,798.29

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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.