Home / 876,046.80-1,313,686.20-402,574.80

Finding the Fourth Proportional to 876,046.80, 1,313,686.20 and 402,574.80

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Solution

The fourth proportional to 876,046.80, 1,313,686.20 and 402,574.80 is: 603,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,046.80 : 1,313,686.20 = 402,574.80 : x
  2. Step 2: Convert to fraction form
    876,046.80/1,313,686.20 = 402,574.80/x
  3. Step 3: Cross multiply
    876,046.80x = 1,313,686.20 × 402,574.80
  4. Step 4: Simplify right side
    876,046.80x = 528,856,959,227.76
  5. Step 5: Solve for x
    x = 528,856,959,227.76/876,046.80
  6. Step 6: Final answer
    x = 603,685.74

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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.