Home / 1,056,000.40-1,581,850.20-655,411.60

Finding the Fourth Proportional to 1,056,000.40, 1,581,850.20 and 655,411.60

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Solution

The fourth proportional to 1,056,000.40, 1,581,850.20 and 655,411.60 is: 981,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,000.40 : 1,581,850.20 = 655,411.60 : x
  2. Step 2: Convert to fraction form
    1,056,000.40/1,581,850.20 = 655,411.60/x
  3. Step 3: Cross multiply
    1,056,000.40x = 1,581,850.20 × 655,411.60
  4. Step 4: Simplify right side
    1,056,000.40x = 1,036,762,970,542.32
  5. Step 5: Solve for x
    x = 1,036,762,970,542.32/1,056,000.40
  6. Step 6: Final answer
    x = 981,782.74

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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.