Home / 725,045.83-1,087,679.40-369,866.08

Finding the Fourth Proportional to 725,045.83, 1,087,679.40 and 369,866.08

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Solution

The fourth proportional to 725,045.83, 1,087,679.40 and 369,866.08 is: 554,855.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,045.83 : 1,087,679.40 = 369,866.08 : x
  2. Step 2: Convert to fraction form
    725,045.83/1,087,679.40 = 369,866.08/x
  3. Step 3: Cross multiply
    725,045.83x = 1,087,679.40 × 369,866.08
  4. Step 4: Simplify right side
    725,045.83x = 402,295,715,974.75
  5. Step 5: Solve for x
    x = 402,295,715,974.75/725,045.83
  6. Step 6: Final answer
    x = 554,855.57

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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.