Home / 925,383.60-1,277,020.62-517,480.76

Finding the Fourth Proportional to 925,383.60, 1,277,020.62 and 517,480.76

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Solution

The fourth proportional to 925,383.60, 1,277,020.62 and 517,480.76 is: 714,118.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,383.60 : 1,277,020.62 = 517,480.76 : x
  2. Step 2: Convert to fraction form
    925,383.60/1,277,020.62 = 517,480.76/x
  3. Step 3: Cross multiply
    925,383.60x = 1,277,020.62 × 517,480.76
  4. Step 4: Simplify right side
    925,383.60x = 660,833,604,165.82
  5. Step 5: Solve for x
    x = 660,833,604,165.82/925,383.60
  6. Step 6: Final answer
    x = 714,118.56

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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.