Home / 429,929.34-644,893.18-114,386.24

Finding the Fourth Proportional to 429,929.34, 644,893.18 and 114,386.24

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Solution

The fourth proportional to 429,929.34, 644,893.18 and 114,386.24 is: 171,579.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,929.34 : 644,893.18 = 114,386.24 : x
  2. Step 2: Convert to fraction form
    429,929.34/644,893.18 = 114,386.24/x
  3. Step 3: Cross multiply
    429,929.34x = 644,893.18 × 114,386.24
  4. Step 4: Simplify right side
    429,929.34x = 73,766,906,061.84
  5. Step 5: Solve for x
    x = 73,766,906,061.84/429,929.34
  6. Step 6: Final answer
    x = 171,579.14

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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.