Home / 927,355.17-1,388,977.56-712,541.94

Finding the Fourth Proportional to 927,355.17, 1,388,977.56 and 712,541.94

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Solution

The fourth proportional to 927,355.17, 1,388,977.56 and 712,541.94 is: 1,067,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,355.17 : 1,388,977.56 = 712,541.94 : x
  2. Step 2: Convert to fraction form
    927,355.17/1,388,977.56 = 712,541.94/x
  3. Step 3: Cross multiply
    927,355.17x = 1,388,977.56 × 712,541.94
  4. Step 4: Simplify right side
    927,355.17x = 989,704,765,218.87
  5. Step 5: Solve for x
    x = 989,704,765,218.87/927,355.17
  6. Step 6: Final answer
    x = 1,067,233.78

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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.