Home / 908,092.95-1,253,121.99-500,186.03

Finding the Fourth Proportional to 908,092.95, 1,253,121.99 and 500,186.03

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Solution

The fourth proportional to 908,092.95, 1,253,121.99 and 500,186.03 is: 690,231.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,092.95 : 1,253,121.99 = 500,186.03 : x
  2. Step 2: Convert to fraction form
    908,092.95/1,253,121.99 = 500,186.03/x
  3. Step 3: Cross multiply
    908,092.95x = 1,253,121.99 × 500,186.03
  4. Step 4: Simplify right side
    908,092.95x = 626,794,107,018.19
  5. Step 5: Solve for x
    x = 626,794,107,018.19/908,092.95
  6. Step 6: Final answer
    x = 690,231.22

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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.