Home / 838,616.40-1,157,136.80-494,560.24

Finding the Fourth Proportional to 838,616.40, 1,157,136.80 and 494,560.24

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Solution

The fourth proportional to 838,616.40, 1,157,136.80 and 494,560.24 is: 682,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,616.40 : 1,157,136.80 = 494,560.24 : x
  2. Step 2: Convert to fraction form
    838,616.40/1,157,136.80 = 494,560.24/x
  3. Step 3: Cross multiply
    838,616.40x = 1,157,136.80 × 494,560.24
  4. Step 4: Simplify right side
    838,616.40x = 572,273,853,520.83
  5. Step 5: Solve for x
    x = 572,273,853,520.83/838,616.40
  6. Step 6: Final answer
    x = 682,402.41

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Double scale
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1.5x scale

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.