Home / 1,042,875.76-1,439,168.54-565,947.76

Finding the Fourth Proportional to 1,042,875.76, 1,439,168.54 and 565,947.76

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Solution

The fourth proportional to 1,042,875.76, 1,439,168.54 and 565,947.76 is: 781,007.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,875.76 : 1,439,168.54 = 565,947.76 : x
  2. Step 2: Convert to fraction form
    1,042,875.76/1,439,168.54 = 565,947.76/x
  3. Step 3: Cross multiply
    1,042,875.76x = 1,439,168.54 × 565,947.76
  4. Step 4: Simplify right side
    1,042,875.76x = 814,494,211,475.47
  5. Step 5: Solve for x
    x = 814,494,211,475.47/1,042,875.76
  6. Step 6: Final answer
    x = 781,007.90

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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.