Home / 1,409,693.60-2,114,540.40-344,721.80

Finding the Fourth Proportional to 1,409,693.60, 2,114,540.40 and 344,721.80

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Solution

The fourth proportional to 1,409,693.60, 2,114,540.40 and 344,721.80 is: 517,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,693.60 : 2,114,540.40 = 344,721.80 : x
  2. Step 2: Convert to fraction form
    1,409,693.60/2,114,540.40 = 344,721.80/x
  3. Step 3: Cross multiply
    1,409,693.60x = 2,114,540.40 × 344,721.80
  4. Step 4: Simplify right side
    1,409,693.60x = 728,928,172,860.72
  5. Step 5: Solve for x
    x = 728,928,172,860.72/1,409,693.60
  6. Step 6: Final answer
    x = 517,082.70

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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.