Home / 913,360.24-1,260,392.16-505,454.56

Finding the Fourth Proportional to 913,360.24, 1,260,392.16 and 505,454.56

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Solution

The fourth proportional to 913,360.24, 1,260,392.16 and 505,454.56 is: 697,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,360.24 : 1,260,392.16 = 505,454.56 : x
  2. Step 2: Convert to fraction form
    913,360.24/1,260,392.16 = 505,454.56/x
  3. Step 3: Cross multiply
    913,360.24x = 1,260,392.16 × 505,454.56
  4. Step 4: Simplify right side
    913,360.24x = 637,070,964,660.25
  5. Step 5: Solve for x
    x = 637,070,964,660.25/913,360.24
  6. Step 6: Final answer
    x = 697,502.41

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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.