Home / 908,186.10-1,253,232.10-540,643.74

Finding the Fourth Proportional to 908,186.10, 1,253,232.10 and 540,643.74

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Solution

The fourth proportional to 908,186.10, 1,253,232.10 and 540,643.74 is: 746,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,186.10 : 1,253,232.10 = 540,643.74 : x
  2. Step 2: Convert to fraction form
    908,186.10/1,253,232.10 = 540,643.74/x
  3. Step 3: Cross multiply
    908,186.10x = 1,253,232.10 × 540,643.74
  4. Step 4: Simplify right side
    908,186.10x = 677,552,089,632.05
  5. Step 5: Solve for x
    x = 677,552,089,632.05/908,186.10
  6. Step 6: Final answer
    x = 746,049.83

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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.