Home / 439,019.20-658,528.80-297,301.60

Finding the Fourth Proportional to 439,019.20, 658,528.80 and 297,301.60

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Solution

The fourth proportional to 439,019.20, 658,528.80 and 297,301.60 is: 445,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,019.20 : 658,528.80 = 297,301.60 : x
  2. Step 2: Convert to fraction form
    439,019.20/658,528.80 = 297,301.60/x
  3. Step 3: Cross multiply
    439,019.20x = 658,528.80 × 297,301.60
  4. Step 4: Simplify right side
    439,019.20x = 195,781,665,886.08
  5. Step 5: Solve for x
    x = 195,781,665,886.08/439,019.20
  6. Step 6: Final answer
    x = 445,952.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.