Home / 440,915.04-608,459.76-239,711.04

Finding the Fourth Proportional to 440,915.04, 608,459.76 and 239,711.04

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Solution

The fourth proportional to 440,915.04, 608,459.76 and 239,711.04 is: 330,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,915.04 : 608,459.76 = 239,711.04 : x
  2. Step 2: Convert to fraction form
    440,915.04/608,459.76 = 239,711.04/x
  3. Step 3: Cross multiply
    440,915.04x = 608,459.76 × 239,711.04
  4. Step 4: Simplify right side
    440,915.04x = 145,854,521,867.75
  5. Step 5: Solve for x
    x = 145,854,521,867.75/440,915.04
  6. Step 6: Final answer
    x = 330,799.61

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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.