Home / 741,391.39-1,111,869.08-314,923.82

Finding the Fourth Proportional to 741,391.39, 1,111,869.08 and 314,923.82

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Solution

The fourth proportional to 741,391.39, 1,111,869.08 and 314,923.82 is: 472,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,391.39 : 1,111,869.08 = 314,923.82 : x
  2. Step 2: Convert to fraction form
    741,391.39/1,111,869.08 = 314,923.82/x
  3. Step 3: Cross multiply
    741,391.39x = 1,111,869.08 × 314,923.82
  4. Step 4: Simplify right side
    741,391.39x = 350,154,056,438.87
  5. Step 5: Solve for x
    x = 350,154,056,438.87/741,391.39
  6. Step 6: Final answer
    x = 472,293.13

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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.