Home / 650,966.40-976,498.20-230,187.60

Finding the Fourth Proportional to 650,966.40, 976,498.20 and 230,187.60

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Solution

The fourth proportional to 650,966.40, 976,498.20 and 230,187.60 is: 345,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,966.40 : 976,498.20 = 230,187.60 : x
  2. Step 2: Convert to fraction form
    650,966.40/976,498.20 = 230,187.60/x
  3. Step 3: Cross multiply
    650,966.40x = 976,498.20 × 230,187.60
  4. Step 4: Simplify right side
    650,966.40x = 224,777,777,062.32
  5. Step 5: Solve for x
    x = 224,777,777,062.32/650,966.40
  6. Step 6: Final answer
    x = 345,298.59

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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.