Home / 372,396.18-513,828.33-243,523.56

Finding the Fourth Proportional to 372,396.18, 513,828.33 and 243,523.56

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Solution

The fourth proportional to 372,396.18, 513,828.33 and 243,523.56 is: 336,011.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,396.18 : 513,828.33 = 243,523.56 : x
  2. Step 2: Convert to fraction form
    372,396.18/513,828.33 = 243,523.56/x
  3. Step 3: Cross multiply
    372,396.18x = 513,828.33 × 243,523.56
  4. Step 4: Simplify right side
    372,396.18x = 125,129,304,150.46
  5. Step 5: Solve for x
    x = 125,129,304,150.46/372,396.18
  6. Step 6: Final answer
    x = 336,011.25

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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.