Home / 873,127.06-1,309,690.91-392,793.82

Finding the Fourth Proportional to 873,127.06, 1,309,690.91 and 392,793.82

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Solution

The fourth proportional to 873,127.06, 1,309,690.91 and 392,793.82 is: 589,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,127.06 : 1,309,690.91 = 392,793.82 : x
  2. Step 2: Convert to fraction form
    873,127.06/1,309,690.91 = 392,793.82/x
  3. Step 3: Cross multiply
    873,127.06x = 1,309,690.91 × 392,793.82
  4. Step 4: Simplify right side
    873,127.06x = 514,438,495,558.18
  5. Step 5: Solve for x
    x = 514,438,495,558.18/873,127.06
  6. Step 6: Final answer
    x = 589,190.87

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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.