Home / 440,023.12-607,232.52-238,819.12

Finding the Fourth Proportional to 440,023.12, 607,232.52 and 238,819.12

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Solution

The fourth proportional to 440,023.12, 607,232.52 and 238,819.12 is: 329,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,023.12 : 607,232.52 = 238,819.12 : x
  2. Step 2: Convert to fraction form
    440,023.12/607,232.52 = 238,819.12/x
  3. Step 3: Cross multiply
    440,023.12x = 607,232.52 × 238,819.12
  4. Step 4: Simplify right side
    440,023.12x = 145,018,736,061.78
  5. Step 5: Solve for x
    x = 145,018,736,061.78/440,023.12
  6. Step 6: Final answer
    x = 329,570.72

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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.