Home / 913,337.76-1,260,380.24-505,456.48

Finding the Fourth Proportional to 913,337.76, 1,260,380.24 and 505,456.48

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Solution

The fourth proportional to 913,337.76, 1,260,380.24 and 505,456.48 is: 697,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,337.76 : 1,260,380.24 = 505,456.48 : x
  2. Step 2: Convert to fraction form
    913,337.76/1,260,380.24 = 505,456.48/x
  3. Step 3: Cross multiply
    913,337.76x = 1,260,380.24 × 505,456.48
  4. Step 4: Simplify right side
    913,337.76x = 637,067,359,571.96
  5. Step 5: Solve for x
    x = 637,067,359,571.96/913,337.76
  6. Step 6: Final answer
    x = 697,515.63

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Double scale
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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.