Home / 1,612,121.40-2,225,045.70-924,255.36

Finding the Fourth Proportional to 1,612,121.40, 2,225,045.70 and 924,255.36

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Solution

The fourth proportional to 1,612,121.40, 2,225,045.70 and 924,255.36 is: 1,275,654.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612,121.40 : 2,225,045.70 = 924,255.36 : x
  2. Step 2: Convert to fraction form
    1,612,121.40/2,225,045.70 = 924,255.36/x
  3. Step 3: Cross multiply
    1,612,121.40x = 2,225,045.70 × 924,255.36
  4. Step 4: Simplify right side
    1,612,121.40x = 2,056,510,414,469.95
  5. Step 5: Solve for x
    x = 2,056,510,414,469.95/1,612,121.40
  6. Step 6: Final answer
    x = 1,275,654.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.