Home / 1,289,708.20-1,934,562.30-1,165,705.30

Finding the Fourth Proportional to 1,289,708.20, 1,934,562.30 and 1,165,705.30

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Solution

The fourth proportional to 1,289,708.20, 1,934,562.30 and 1,165,705.30 is: 1,748,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,708.20 : 1,934,562.30 = 1,165,705.30 : x
  2. Step 2: Convert to fraction form
    1,289,708.20/1,934,562.30 = 1,165,705.30/x
  3. Step 3: Cross multiply
    1,289,708.20x = 1,934,562.30 × 1,165,705.30
  4. Step 4: Simplify right side
    1,289,708.20x = 2,255,129,526,290.19
  5. Step 5: Solve for x
    x = 2,255,129,526,290.19/1,289,708.20
  6. Step 6: Final answer
    x = 1,748,557.95

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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.