Home / 527,192.20-789,713.10-326,897.80

Finding the Fourth Proportional to 527,192.20, 789,713.10 and 326,897.80

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Solution

The fourth proportional to 527,192.20, 789,713.10 and 326,897.80 is: 489,680.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,192.20 : 789,713.10 = 326,897.80 : x
  2. Step 2: Convert to fraction form
    527,192.20/789,713.10 = 326,897.80/x
  3. Step 3: Cross multiply
    527,192.20x = 789,713.10 × 326,897.80
  4. Step 4: Simplify right side
    527,192.20x = 258,155,475,021.18
  5. Step 5: Solve for x
    x = 258,155,475,021.18/527,192.20
  6. Step 6: Final answer
    x = 489,680.00

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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.