Home / 439,119.04-605,984.34-237,915.04

Finding the Fourth Proportional to 439,119.04, 605,984.34 and 237,915.04

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Solution

The fourth proportional to 439,119.04, 605,984.34 and 237,915.04 is: 328,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,119.04 : 605,984.34 = 237,915.04 : x
  2. Step 2: Convert to fraction form
    439,119.04/605,984.34 = 237,915.04/x
  3. Step 3: Cross multiply
    439,119.04x = 605,984.34 × 237,915.04
  4. Step 4: Simplify right side
    439,119.04x = 144,172,788,490.47
  5. Step 5: Solve for x
    x = 144,172,788,490.47/439,119.04
  6. Step 6: Final answer
    x = 328,322.79

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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.