Home / 886,543.60-1,329,815.40-818,114.80

Finding the Fourth Proportional to 886,543.60, 1,329,815.40 and 818,114.80

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Solution

The fourth proportional to 886,543.60, 1,329,815.40 and 818,114.80 is: 1,227,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,543.60 : 1,329,815.40 = 818,114.80 : x
  2. Step 2: Convert to fraction form
    886,543.60/1,329,815.40 = 818,114.80/x
  3. Step 3: Cross multiply
    886,543.60x = 1,329,815.40 × 818,114.80
  4. Step 4: Simplify right side
    886,543.60x = 1,087,941,660,007.92
  5. Step 5: Solve for x
    x = 1,087,941,660,007.92/886,543.60
  6. Step 6: Final answer
    x = 1,227,172.20

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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.