Home / 812,606.52-1,121,024.82-526,218.87

Finding the Fourth Proportional to 812,606.52, 1,121,024.82 and 526,218.87

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Solution

The fourth proportional to 812,606.52, 1,121,024.82 and 526,218.87 is: 725,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,606.52 : 1,121,024.82 = 526,218.87 : x
  2. Step 2: Convert to fraction form
    812,606.52/1,121,024.82 = 526,218.87/x
  3. Step 3: Cross multiply
    812,606.52x = 1,121,024.82 × 526,218.87
  4. Step 4: Simplify right side
    812,606.52x = 589,904,414,022.35
  5. Step 5: Solve for x
    x = 589,904,414,022.35/812,606.52
  6. Step 6: Final answer
    x = 725,941.03

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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.