Home / 1,023,712.20-1,535,568.30-1,007,965.80

Finding the Fourth Proportional to 1,023,712.20, 1,535,568.30 and 1,007,965.80

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Solution

The fourth proportional to 1,023,712.20, 1,535,568.30 and 1,007,965.80 is: 1,511,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,712.20 : 1,535,568.30 = 1,007,965.80 : x
  2. Step 2: Convert to fraction form
    1,023,712.20/1,535,568.30 = 1,007,965.80/x
  3. Step 3: Cross multiply
    1,023,712.20x = 1,535,568.30 × 1,007,965.80
  4. Step 4: Simplify right side
    1,023,712.20x = 1,547,800,329,964.14
  5. Step 5: Solve for x
    x = 1,547,800,329,964.14/1,023,712.20
  6. Step 6: Final answer
    x = 1,511,948.70

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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.