Home / 2,911,264.61-4,366,896.34-781,348.73

Finding the Fourth Proportional to 2,911,264.61, 4,366,896.34 and 781,348.73

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Solution

The fourth proportional to 2,911,264.61, 4,366,896.34 and 781,348.73 is: 1,172,022.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,264.61 : 4,366,896.34 = 781,348.73 : x
  2. Step 2: Convert to fraction form
    2,911,264.61/4,366,896.34 = 781,348.73/x
  3. Step 3: Cross multiply
    2,911,264.61x = 4,366,896.34 × 781,348.73
  4. Step 4: Simplify right side
    2,911,264.61x = 3,412,068,898,843.55
  5. Step 5: Solve for x
    x = 3,412,068,898,843.55/2,911,264.61
  6. Step 6: Final answer
    x = 1,172,022.94

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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.