Home / 549,328.50-823,997.88-194,402.70

Finding the Fourth Proportional to 549,328.50, 823,997.88 and 194,402.70

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Solution

The fourth proportional to 549,328.50, 823,997.88 and 194,402.70 is: 291,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,328.50 : 823,997.88 = 194,402.70 : x
  2. Step 2: Convert to fraction form
    549,328.50/823,997.88 = 194,402.70/x
  3. Step 3: Cross multiply
    549,328.50x = 823,997.88 × 194,402.70
  4. Step 4: Simplify right side
    549,328.50x = 160,187,412,666.28
  5. Step 5: Solve for x
    x = 160,187,412,666.28/549,328.50
  6. Step 6: Final answer
    x = 291,605.87

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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.