Home / 902,561.30-1,353,513.90-453,132.80

Finding the Fourth Proportional to 902,561.30, 1,353,513.90 and 453,132.80

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Solution

The fourth proportional to 902,561.30, 1,353,513.90 and 453,132.80 is: 679,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,561.30 : 1,353,513.90 = 453,132.80 : x
  2. Step 2: Convert to fraction form
    902,561.30/1,353,513.90 = 453,132.80/x
  3. Step 3: Cross multiply
    902,561.30x = 1,353,513.90 × 453,132.80
  4. Step 4: Simplify right side
    902,561.30x = 613,321,543,345.92
  5. Step 5: Solve for x
    x = 613,321,543,345.92/902,561.30
  6. Step 6: Final answer
    x = 679,534.50

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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.