Home / 927,218.70-1,389,078.45-864,233.10

Finding the Fourth Proportional to 927,218.70, 1,389,078.45 and 864,233.10

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Solution

The fourth proportional to 927,218.70, 1,389,078.45 and 864,233.10 is: 1,294,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,218.70 : 1,389,078.45 = 864,233.10 : x
  2. Step 2: Convert to fraction form
    927,218.70/1,389,078.45 = 864,233.10/x
  3. Step 3: Cross multiply
    927,218.70x = 1,389,078.45 × 864,233.10
  4. Step 4: Simplify right side
    927,218.70x = 1,200,487,574,986.69
  5. Step 5: Solve for x
    x = 1,200,487,574,986.69/927,218.70
  6. Step 6: Final answer
    x = 1,294,718.90

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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.