Home / 439,281.60-658,922.40-123,734.40

Finding the Fourth Proportional to 439,281.60, 658,922.40 and 123,734.40

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Solution

The fourth proportional to 439,281.60, 658,922.40 and 123,734.40 is: 185,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,281.60 : 658,922.40 = 123,734.40 : x
  2. Step 2: Convert to fraction form
    439,281.60/658,922.40 = 123,734.40/x
  3. Step 3: Cross multiply
    439,281.60x = 658,922.40 × 123,734.40
  4. Step 4: Simplify right side
    439,281.60x = 81,531,367,810.56
  5. Step 5: Solve for x
    x = 81,531,367,810.56/439,281.60
  6. Step 6: Final answer
    x = 185,601.60

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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.