Home / 439,632.20-606,693.14-238,428.36

Finding the Fourth Proportional to 439,632.20, 606,693.14 and 238,428.36

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Solution

The fourth proportional to 439,632.20, 606,693.14 and 238,428.36 is: 329,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,632.20 : 606,693.14 = 238,428.36 : x
  2. Step 2: Convert to fraction form
    439,632.20/606,693.14 = 238,428.36/x
  3. Step 3: Cross multiply
    439,632.20x = 606,693.14 × 238,428.36
  4. Step 4: Simplify right side
    439,632.20x = 144,652,850,393.45
  5. Step 5: Solve for x
    x = 144,652,850,393.45/439,632.20
  6. Step 6: Final answer
    x = 329,031.52

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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.