Home / 1,217,095.76-1,825,179.96-487,395.92

Finding the Fourth Proportional to 1,217,095.76, 1,825,179.96 and 487,395.92

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Solution

The fourth proportional to 1,217,095.76, 1,825,179.96 and 487,395.92 is: 730,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,095.76 : 1,825,179.96 = 487,395.92 : x
  2. Step 2: Convert to fraction form
    1,217,095.76/1,825,179.96 = 487,395.92/x
  3. Step 3: Cross multiply
    1,217,095.76x = 1,825,179.96 × 487,395.92
  4. Step 4: Simplify right side
    1,217,095.76x = 889,585,265,769.76
  5. Step 5: Solve for x
    x = 889,585,265,769.76/1,217,095.76
  6. Step 6: Final answer
    x = 730,908.20

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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.