Home / 1,171,816.28-1,617,227.02-712,963.44

Finding the Fourth Proportional to 1,171,816.28, 1,617,227.02 and 712,963.44

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Solution

The fourth proportional to 1,171,816.28, 1,617,227.02 and 712,963.44 is: 983,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,816.28 : 1,617,227.02 = 712,963.44 : x
  2. Step 2: Convert to fraction form
    1,171,816.28/1,617,227.02 = 712,963.44/x
  3. Step 3: Cross multiply
    1,171,816.28x = 1,617,227.02 × 712,963.44
  4. Step 4: Simplify right side
    1,171,816.28x = 1,153,023,739,440.15
  5. Step 5: Solve for x
    x = 1,153,023,739,440.15/1,171,816.28
  6. Step 6: Final answer
    x = 983,962.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.