Home / 415,929.40-623,894.10-226,972.60

Finding the Fourth Proportional to 415,929.40, 623,894.10 and 226,972.60

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Solution

The fourth proportional to 415,929.40, 623,894.10 and 226,972.60 is: 340,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,929.40 : 623,894.10 = 226,972.60 : x
  2. Step 2: Convert to fraction form
    415,929.40/623,894.10 = 226,972.60/x
  3. Step 3: Cross multiply
    415,929.40x = 623,894.10 × 226,972.60
  4. Step 4: Simplify right side
    415,929.40x = 141,606,866,001.66
  5. Step 5: Solve for x
    x = 141,606,866,001.66/415,929.40
  6. Step 6: Final answer
    x = 340,458.90

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1.5x scale

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.