Home / 1,535,974.20-2,119,695.30-838,293.12

Finding the Fourth Proportional to 1,535,974.20, 2,119,695.30 and 838,293.12

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Solution

The fourth proportional to 1,535,974.20, 2,119,695.30 and 838,293.12 is: 1,156,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,974.20 : 2,119,695.30 = 838,293.12 : x
  2. Step 2: Convert to fraction form
    1,535,974.20/2,119,695.30 = 838,293.12/x
  3. Step 3: Cross multiply
    1,535,974.20x = 2,119,695.30 × 838,293.12
  4. Step 4: Simplify right side
    1,535,974.20x = 1,776,925,986,486.34
  5. Step 5: Solve for x
    x = 1,776,925,986,486.34/1,535,974.20
  6. Step 6: Final answer
    x = 1,156,872.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.