Home / 429,557.13-644,285.66-114,038.55

Finding the Fourth Proportional to 429,557.13, 644,285.66 and 114,038.55

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Solution

The fourth proportional to 429,557.13, 644,285.66 and 114,038.55 is: 171,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,557.13 : 644,285.66 = 114,038.55 : x
  2. Step 2: Convert to fraction form
    429,557.13/644,285.66 = 114,038.55/x
  3. Step 3: Cross multiply
    429,557.13x = 644,285.66 × 114,038.55
  4. Step 4: Simplify right side
    429,557.13x = 73,473,401,882.00
  5. Step 5: Solve for x
    x = 73,473,401,882.00/429,557.13
  6. Step 6: Final answer
    x = 171,044.54

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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.