Home / 732,689.20-1,099,228.20-259,325.20

Finding the Fourth Proportional to 732,689.20, 1,099,228.20 and 259,325.20

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Solution

The fourth proportional to 732,689.20, 1,099,228.20 and 259,325.20 is: 389,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,689.20 : 1,099,228.20 = 259,325.20 : x
  2. Step 2: Convert to fraction form
    732,689.20/1,099,228.20 = 259,325.20/x
  3. Step 3: Cross multiply
    732,689.20x = 1,099,228.20 × 259,325.20
  4. Step 4: Simplify right side
    732,689.20x = 285,057,572,810.64
  5. Step 5: Solve for x
    x = 285,057,572,810.64/732,689.20
  6. Step 6: Final answer
    x = 389,056.61

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Double scale
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Similar ratio
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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.