Home / 838,617.40-1,157,138.18-494,561.24

Finding the Fourth Proportional to 838,617.40, 1,157,138.18 and 494,561.24

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Solution

The fourth proportional to 838,617.40, 1,157,138.18 and 494,561.24 is: 682,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,617.40 : 1,157,138.18 = 494,561.24 : x
  2. Step 2: Convert to fraction form
    838,617.40/1,157,138.18 = 494,561.24/x
  3. Step 3: Cross multiply
    838,617.40x = 1,157,138.18 × 494,561.24
  4. Step 4: Simplify right side
    838,617.40x = 572,275,693,152.14
  5. Step 5: Solve for x
    x = 572,275,693,152.14/838,617.40
  6. Step 6: Final answer
    x = 682,403.79

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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.