Home / 549,041.80-823,562.70-194,456.20

Finding the Fourth Proportional to 549,041.80, 823,562.70 and 194,456.20

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Solution

The fourth proportional to 549,041.80, 823,562.70 and 194,456.20 is: 291,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,041.80 : 823,562.70 = 194,456.20 : x
  2. Step 2: Convert to fraction form
    549,041.80/823,562.70 = 194,456.20/x
  3. Step 3: Cross multiply
    549,041.80x = 823,562.70 × 194,456.20
  4. Step 4: Simplify right side
    549,041.80x = 160,146,873,103.74
  5. Step 5: Solve for x
    x = 160,146,873,103.74/549,041.80
  6. Step 6: Final answer
    x = 291,684.30

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Similar ratio
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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.