Home / 908,723.03-1,254,031.94-500,825.25

Finding the Fourth Proportional to 908,723.03, 1,254,031.94 and 500,825.25

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Solution

The fourth proportional to 908,723.03, 1,254,031.94 and 500,825.25 is: 691,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,723.03 : 1,254,031.94 = 500,825.25 : x
  2. Step 2: Convert to fraction form
    908,723.03/1,254,031.94 = 500,825.25/x
  3. Step 3: Cross multiply
    908,723.03x = 1,254,031.94 × 500,825.25
  4. Step 4: Simplify right side
    908,723.03x = 628,050,861,110.55
  5. Step 5: Solve for x
    x = 628,050,861,110.55/908,723.03
  6. Step 6: Final answer
    x = 691,135.63

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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.