Home / 1,251,550.28-1,877,231.02-398,587.46

Finding the Fourth Proportional to 1,251,550.28, 1,877,231.02 and 398,587.46

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Solution

The fourth proportional to 1,251,550.28, 1,877,231.02 and 398,587.46 is: 597,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,550.28 : 1,877,231.02 = 398,587.46 : x
  2. Step 2: Convert to fraction form
    1,251,550.28/1,877,231.02 = 398,587.46/x
  3. Step 3: Cross multiply
    1,251,550.28x = 1,877,231.02 × 398,587.46
  4. Step 4: Simplify right side
    1,251,550.28x = 748,240,744,095.01
  5. Step 5: Solve for x
    x = 748,240,744,095.01/1,251,550.28
  6. Step 6: Final answer
    x = 597,851.13

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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.