Home / 1,564,604.78-2,158,976.04-876,180.92

Finding the Fourth Proportional to 1,564,604.78, 2,158,976.04 and 876,180.92

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Solution

The fourth proportional to 1,564,604.78, 2,158,976.04 and 876,180.92 is: 1,209,029.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,604.78 : 2,158,976.04 = 876,180.92 : x
  2. Step 2: Convert to fraction form
    1,564,604.78/2,158,976.04 = 876,180.92/x
  3. Step 3: Cross multiply
    1,564,604.78x = 2,158,976.04 × 876,180.92
  4. Step 4: Simplify right side
    1,564,604.78x = 1,891,653,612,985.16
  5. Step 5: Solve for x
    x = 1,891,653,612,985.16/1,564,604.78
  6. Step 6: Final answer
    x = 1,209,029.68

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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.