Home / 579,817.08-869,807.61-180,498.15

Finding the Fourth Proportional to 579,817.08, 869,807.61 and 180,498.15

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Solution

The fourth proportional to 579,817.08, 869,807.61 and 180,498.15 is: 270,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,817.08 : 869,807.61 = 180,498.15 : x
  2. Step 2: Convert to fraction form
    579,817.08/869,807.61 = 180,498.15/x
  3. Step 3: Cross multiply
    579,817.08x = 869,807.61 × 180,498.15
  4. Step 4: Simplify right side
    579,817.08x = 156,998,664,460.92
  5. Step 5: Solve for x
    x = 156,998,664,460.92/579,817.08
  6. Step 6: Final answer
    x = 270,772.75

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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.