Home / 578,220.20-867,719.10-262,514.60

Finding the Fourth Proportional to 578,220.20, 867,719.10 and 262,514.60

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Solution

The fourth proportional to 578,220.20, 867,719.10 and 262,514.60 is: 393,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,220.20 : 867,719.10 = 262,514.60 : x
  2. Step 2: Convert to fraction form
    578,220.20/867,719.10 = 262,514.60/x
  3. Step 3: Cross multiply
    578,220.20x = 867,719.10 × 262,514.60
  4. Step 4: Simplify right side
    578,220.20x = 227,788,932,448.86
  5. Step 5: Solve for x
    x = 227,788,932,448.86/578,220.20
  6. Step 6: Final answer
    x = 393,948.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.