Home / 871,287.09-1,202,235.12-544,561.59

Finding the Fourth Proportional to 871,287.09, 1,202,235.12 and 544,561.59

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Solution

The fourth proportional to 871,287.09, 1,202,235.12 and 544,561.59 is: 751,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,287.09 : 1,202,235.12 = 544,561.59 : x
  2. Step 2: Convert to fraction form
    871,287.09/1,202,235.12 = 544,561.59/x
  3. Step 3: Cross multiply
    871,287.09x = 1,202,235.12 × 544,561.59
  4. Step 4: Simplify right side
    871,287.09x = 654,691,068,501.04
  5. Step 5: Solve for x
    x = 654,691,068,501.04/871,287.09
  6. Step 6: Final answer
    x = 751,406.83

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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.