Home / 812,117.07-1,120,841.64-467,887.44

Finding the Fourth Proportional to 812,117.07, 1,120,841.64 and 467,887.44

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Solution

The fourth proportional to 812,117.07, 1,120,841.64 and 467,887.44 is: 645,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,117.07 : 1,120,841.64 = 467,887.44 : x
  2. Step 2: Convert to fraction form
    812,117.07/1,120,841.64 = 467,887.44/x
  3. Step 3: Cross multiply
    812,117.07x = 1,120,841.64 × 467,887.44
  4. Step 4: Simplify right side
    812,117.07x = 524,427,725,585.00
  5. Step 5: Solve for x
    x = 524,427,725,585.00/812,117.07
  6. Step 6: Final answer
    x = 645,753.85

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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.