Home / 1,042,970.88-1,439,300.40-566,042.88

Finding the Fourth Proportional to 1,042,970.88, 1,439,300.40 and 566,042.88

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Solution

The fourth proportional to 1,042,970.88, 1,439,300.40 and 566,042.88 is: 781,139.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,970.88 : 1,439,300.40 = 566,042.88 : x
  2. Step 2: Convert to fraction form
    1,042,970.88/1,439,300.40 = 566,042.88/x
  3. Step 3: Cross multiply
    1,042,970.88x = 1,439,300.40 × 566,042.88
  4. Step 4: Simplify right side
    1,042,970.88x = 814,705,743,601.15
  5. Step 5: Solve for x
    x = 814,705,743,601.15/1,042,970.88
  6. Step 6: Final answer
    x = 781,139.49

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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.