Home / 782,382.24-1,079,681.04-442,847.52

Finding the Fourth Proportional to 782,382.24, 1,079,681.04 and 442,847.52

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Solution

The fourth proportional to 782,382.24, 1,079,681.04 and 442,847.52 is: 611,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,382.24 : 1,079,681.04 = 442,847.52 : x
  2. Step 2: Convert to fraction form
    782,382.24/1,079,681.04 = 442,847.52/x
  3. Step 3: Cross multiply
    782,382.24x = 1,079,681.04 × 442,847.52
  4. Step 4: Simplify right side
    782,382.24x = 478,134,070,955.02
  5. Step 5: Solve for x
    x = 478,134,070,955.02/782,382.24
  6. Step 6: Final answer
    x = 611,125.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.