Home / 657,203.20-985,804.80-283,226.20

Finding the Fourth Proportional to 657,203.20, 985,804.80 and 283,226.20

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Solution

The fourth proportional to 657,203.20, 985,804.80 and 283,226.20 is: 424,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,203.20 : 985,804.80 = 283,226.20 : x
  2. Step 2: Convert to fraction form
    657,203.20/985,804.80 = 283,226.20/x
  3. Step 3: Cross multiply
    657,203.20x = 985,804.80 × 283,226.20
  4. Step 4: Simplify right side
    657,203.20x = 279,205,747,445.76
  5. Step 5: Solve for x
    x = 279,205,747,445.76/657,203.20
  6. Step 6: Final answer
    x = 424,839.30

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Double scale
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Similar ratio
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1.5x scale

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.