Home / 1,913,939.28-2,871,286.38-547,725.78

Finding the Fourth Proportional to 1,913,939.28, 2,871,286.38 and 547,725.78

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Solution

The fourth proportional to 1,913,939.28, 2,871,286.38 and 547,725.78 is: 821,696.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,939.28 : 2,871,286.38 = 547,725.78 : x
  2. Step 2: Convert to fraction form
    1,913,939.28/2,871,286.38 = 547,725.78/x
  3. Step 3: Cross multiply
    1,913,939.28x = 2,871,286.38 × 547,725.78
  4. Step 4: Simplify right side
    1,913,939.28x = 1,572,677,572,088.88
  5. Step 5: Solve for x
    x = 1,572,677,572,088.88/1,913,939.28
  6. Step 6: Final answer
    x = 821,696.69

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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.