Home / 429,914.56-644,870.88-114,371.52

Finding the Fourth Proportional to 429,914.56, 644,870.88 and 114,371.52

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Solution

The fourth proportional to 429,914.56, 644,870.88 and 114,371.52 is: 171,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,914.56 : 644,870.88 = 114,371.52 : x
  2. Step 2: Convert to fraction form
    429,914.56/644,870.88 = 114,371.52/x
  3. Step 3: Cross multiply
    429,914.56x = 644,870.88 × 114,371.52
  4. Step 4: Simplify right side
    429,914.56x = 73,754,862,749.34
  5. Step 5: Solve for x
    x = 73,754,862,749.34/429,914.56
  6. Step 6: Final answer
    x = 171,557.02

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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.