Home / 571,877.35-857,822.18-172,521.58

Finding the Fourth Proportional to 571,877.35, 857,822.18 and 172,521.58

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Solution

The fourth proportional to 571,877.35, 857,822.18 and 172,521.58 is: 258,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,877.35 : 857,822.18 = 172,521.58 : x
  2. Step 2: Convert to fraction form
    571,877.35/857,822.18 = 172,521.58/x
  3. Step 3: Cross multiply
    571,877.35x = 857,822.18 × 172,521.58
  4. Step 4: Simplify right side
    571,877.35x = 147,992,837,424.33
  5. Step 5: Solve for x
    x = 147,992,837,424.33/571,877.35
  6. Step 6: Final answer
    x = 258,784.23

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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.