Home / 1,012,129.20-1,517,221.80-585,226.80

Finding the Fourth Proportional to 1,012,129.20, 1,517,221.80 and 585,226.80

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Solution

The fourth proportional to 1,012,129.20, 1,517,221.80 and 585,226.80 is: 877,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,129.20 : 1,517,221.80 = 585,226.80 : x
  2. Step 2: Convert to fraction form
    1,012,129.20/1,517,221.80 = 585,226.80/x
  3. Step 3: Cross multiply
    1,012,129.20x = 1,517,221.80 × 585,226.80
  4. Step 4: Simplify right side
    1,012,129.20x = 887,918,858,904.24
  5. Step 5: Solve for x
    x = 887,918,858,904.24/1,012,129.20
  6. Step 6: Final answer
    x = 877,278.18

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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.