Home / 908,561.54-1,253,823.32-500,677.98

Finding the Fourth Proportional to 908,561.54, 1,253,823.32 and 500,677.98

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Solution

The fourth proportional to 908,561.54, 1,253,823.32 and 500,677.98 is: 690,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,561.54 : 1,253,823.32 = 500,677.98 : x
  2. Step 2: Convert to fraction form
    908,561.54/1,253,823.32 = 500,677.98/x
  3. Step 3: Cross multiply
    908,561.54x = 1,253,823.32 × 500,677.98
  4. Step 4: Simplify right side
    908,561.54x = 627,761,727,134.49
  5. Step 5: Solve for x
    x = 627,761,727,134.49/908,561.54
  6. Step 6: Final answer
    x = 690,940.24

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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.