Home / 429,822.80-644,862.96-173,523.40

Finding the Fourth Proportional to 429,822.80, 644,862.96 and 173,523.40

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Solution

The fourth proportional to 429,822.80, 644,862.96 and 173,523.40 is: 260,337.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,822.80 : 644,862.96 = 173,523.40 : x
  2. Step 2: Convert to fraction form
    429,822.80/644,862.96 = 173,523.40/x
  3. Step 3: Cross multiply
    429,822.80x = 644,862.96 × 173,523.40
  4. Step 4: Simplify right side
    429,822.80x = 111,898,813,353.26
  5. Step 5: Solve for x
    x = 111,898,813,353.26/429,822.80
  6. Step 6: Final answer
    x = 260,337.08

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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.