Home / 927,227.17-1,391,040.54-287,518.03

Finding the Fourth Proportional to 927,227.17, 1,391,040.54 and 287,518.03

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Solution

The fourth proportional to 927,227.17, 1,391,040.54 and 287,518.03 is: 431,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,227.17 : 1,391,040.54 = 287,518.03 : x
  2. Step 2: Convert to fraction form
    927,227.17/1,391,040.54 = 287,518.03/x
  3. Step 3: Cross multiply
    927,227.17x = 1,391,040.54 × 287,518.03
  4. Step 4: Simplify right side
    927,227.17x = 399,949,235,710.94
  5. Step 5: Solve for x
    x = 399,949,235,710.94/927,227.17
  6. Step 6: Final answer
    x = 431,339.00

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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.