Home / 908,343.24-1,253,453.50-545,782.38

Finding the Fourth Proportional to 908,343.24, 1,253,453.50 and 545,782.38

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Solution

The fourth proportional to 908,343.24, 1,253,453.50 and 545,782.38 is: 753,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,343.24 : 1,253,453.50 = 545,782.38 : x
  2. Step 2: Convert to fraction form
    908,343.24/1,253,453.50 = 545,782.38/x
  3. Step 3: Cross multiply
    908,343.24x = 1,253,453.50 × 545,782.38
  4. Step 4: Simplify right side
    908,343.24x = 684,112,834,449.33
  5. Step 5: Solve for x
    x = 684,112,834,449.33/908,343.24
  6. Step 6: Final answer
    x = 753,143.53

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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.