Home / 527,637.69-791,290.40-172,568.84

Finding the Fourth Proportional to 527,637.69, 791,290.40 and 172,568.84

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Solution

The fourth proportional to 527,637.69, 791,290.40 and 172,568.84 is: 258,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,637.69 : 791,290.40 = 172,568.84 : x
  2. Step 2: Convert to fraction form
    527,637.69/791,290.40 = 172,568.84/x
  3. Step 3: Cross multiply
    527,637.69x = 791,290.40 × 172,568.84
  4. Step 4: Simplify right side
    527,637.69x = 136,552,061,611.84
  5. Step 5: Solve for x
    x = 136,552,061,611.84/527,637.69
  6. Step 6: Final answer
    x = 258,798.91

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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.