Home / 858,898.08-1,185,388.22-519,553.44

Finding the Fourth Proportional to 858,898.08, 1,185,388.22 and 519,553.44

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Solution

The fourth proportional to 858,898.08, 1,185,388.22 and 519,553.44 is: 717,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,898.08 : 1,185,388.22 = 519,553.44 : x
  2. Step 2: Convert to fraction form
    858,898.08/1,185,388.22 = 519,553.44/x
  3. Step 3: Cross multiply
    858,898.08x = 1,185,388.22 × 519,553.44
  4. Step 4: Simplify right side
    858,898.08x = 615,872,527,436.48
  5. Step 5: Solve for x
    x = 615,872,527,436.48/858,898.08
  6. Step 6: Final answer
    x = 717,049.60

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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.