Home / 902,560.80-1,353,513.15-453,132.30

Finding the Fourth Proportional to 902,560.80, 1,353,513.15 and 453,132.30

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Solution

The fourth proportional to 902,560.80, 1,353,513.15 and 453,132.30 is: 679,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,560.80 : 1,353,513.15 = 453,132.30 : x
  2. Step 2: Convert to fraction form
    902,560.80/1,353,513.15 = 453,132.30/x
  3. Step 3: Cross multiply
    902,560.80x = 1,353,513.15 × 453,132.30
  4. Step 4: Simplify right side
    902,560.80x = 613,320,526,739.75
  5. Step 5: Solve for x
    x = 613,320,526,739.75/902,560.80
  6. Step 6: Final answer
    x = 679,533.75

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Double scale
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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.