Home / 658,129.59-986,997.96-279,043.92

Finding the Fourth Proportional to 658,129.59, 986,997.96 and 279,043.92

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Solution

The fourth proportional to 658,129.59, 986,997.96 and 279,043.92 is: 418,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,129.59 : 986,997.96 = 279,043.92 : x
  2. Step 2: Convert to fraction form
    658,129.59/986,997.96 = 279,043.92/x
  3. Step 3: Cross multiply
    658,129.59x = 986,997.96 × 279,043.92
  4. Step 4: Simplify right side
    658,129.59x = 275,415,779,790.40
  5. Step 5: Solve for x
    x = 275,415,779,790.40/658,129.59
  6. Step 6: Final answer
    x = 418,482.60

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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.