Home / 819,656.46-1,131,130.85-457,103.24

Finding the Fourth Proportional to 819,656.46, 1,131,130.85 and 457,103.24

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Solution

The fourth proportional to 819,656.46, 1,131,130.85 and 457,103.24 is: 630,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,656.46 : 1,131,130.85 = 457,103.24 : x
  2. Step 2: Convert to fraction form
    819,656.46/1,131,130.85 = 457,103.24/x
  3. Step 3: Cross multiply
    819,656.46x = 1,131,130.85 × 457,103.24
  4. Step 4: Simplify right side
    819,656.46x = 517,043,576,398.95
  5. Step 5: Solve for x
    x = 517,043,576,398.95/819,656.46
  6. Step 6: Final answer
    x = 630,805.22

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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.