Home / 927,823.64-1,389,372.42-611,321.24

Finding the Fourth Proportional to 927,823.64, 1,389,372.42 and 611,321.24

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Solution

The fourth proportional to 927,823.64, 1,389,372.42 and 611,321.24 is: 915,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,823.64 : 1,389,372.42 = 611,321.24 : x
  2. Step 2: Convert to fraction form
    927,823.64/1,389,372.42 = 611,321.24/x
  3. Step 3: Cross multiply
    927,823.64x = 1,389,372.42 × 611,321.24
  4. Step 4: Simplify right side
    927,823.64x = 849,352,870,616.20
  5. Step 5: Solve for x
    x = 849,352,870,616.20/927,823.64
  6. Step 6: Final answer
    x = 915,424.91

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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.