Home / 939,545.28-1,296,030.24-599,630.40

Finding the Fourth Proportional to 939,545.28, 1,296,030.24 and 599,630.40

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Solution

The fourth proportional to 939,545.28, 1,296,030.24 and 599,630.40 is: 827,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,545.28 : 1,296,030.24 = 599,630.40 : x
  2. Step 2: Convert to fraction form
    939,545.28/1,296,030.24 = 599,630.40/x
  3. Step 3: Cross multiply
    939,545.28x = 1,296,030.24 × 599,630.40
  4. Step 4: Simplify right side
    939,545.28x = 777,139,131,223.30
  5. Step 5: Solve for x
    x = 777,139,131,223.30/939,545.28
  6. Step 6: Final answer
    x = 827,143.88

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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.