Home / 889,186.50-1,227,108.16-486,778.50

Finding the Fourth Proportional to 889,186.50, 1,227,108.16 and 486,778.50

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Solution

The fourth proportional to 889,186.50, 1,227,108.16 and 486,778.50 is: 671,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,186.50 : 1,227,108.16 = 486,778.50 : x
  2. Step 2: Convert to fraction form
    889,186.50/1,227,108.16 = 486,778.50/x
  3. Step 3: Cross multiply
    889,186.50x = 1,227,108.16 × 486,778.50
  4. Step 4: Simplify right side
    889,186.50x = 597,329,869,462.56
  5. Step 5: Solve for x
    x = 597,329,869,462.56/889,186.50
  6. Step 6: Final answer
    x = 671,771.19

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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.