Home / 745,799.39-1,117,950-239,988.61

Finding the Fourth Proportional to 745,799.39, 1,117,950 and 239,988.61

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Solution

The fourth proportional to 745,799.39, 1,117,950 and 239,988.61 is: 359,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,799.39 : 1,117,950 = 239,988.61 : x
  2. Step 2: Convert to fraction form
    745,799.39/1,117,950 = 239,988.61/x
  3. Step 3: Cross multiply
    745,799.39x = 1,117,950 × 239,988.61
  4. Step 4: Simplify right side
    745,799.39x = 268,295,266,549.50
  5. Step 5: Solve for x
    x = 268,295,266,549.50/745,799.39
  6. Step 6: Final answer
    x = 359,741.87

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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.