Home / 725,053.14-1,087,690.28-369,873.41

Finding the Fourth Proportional to 725,053.14, 1,087,690.28 and 369,873.41

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Solution

The fourth proportional to 725,053.14, 1,087,690.28 and 369,873.41 is: 554,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,053.14 : 1,087,690.28 = 369,873.41 : x
  2. Step 2: Convert to fraction form
    725,053.14/1,087,690.28 = 369,873.41/x
  3. Step 3: Cross multiply
    725,053.14x = 1,087,690.28 × 369,873.41
  4. Step 4: Simplify right side
    725,053.14x = 402,307,705,599.64
  5. Step 5: Solve for x
    x = 402,307,705,599.64/725,053.14
  6. Step 6: Final answer
    x = 554,866.51

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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.