Home / 1,291,756.92-1,935,863.92-817,595.88

Finding the Fourth Proportional to 1,291,756.92, 1,935,863.92 and 817,595.88

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Solution

The fourth proportional to 1,291,756.92, 1,935,863.92 and 817,595.88 is: 1,225,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,756.92 : 1,935,863.92 = 817,595.88 : x
  2. Step 2: Convert to fraction form
    1,291,756.92/1,935,863.92 = 817,595.88/x
  3. Step 3: Cross multiply
    1,291,756.92x = 1,935,863.92 × 817,595.88
  4. Step 4: Simplify right side
    1,291,756.92x = 1,582,754,365,232.65
  5. Step 5: Solve for x
    x = 1,582,754,365,232.65/1,291,756.92
  6. Step 6: Final answer
    x = 1,225,272.60

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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.