Home / 1,913,941.28-2,871,289.38-547,727.78

Finding the Fourth Proportional to 1,913,941.28, 2,871,289.38 and 547,727.78

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Solution

The fourth proportional to 1,913,941.28, 2,871,289.38 and 547,727.78 is: 821,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,941.28 : 2,871,289.38 = 547,727.78 : x
  2. Step 2: Convert to fraction form
    1,913,941.28/2,871,289.38 = 547,727.78/x
  3. Step 3: Cross multiply
    1,913,941.28x = 2,871,289.38 × 547,727.78
  4. Step 4: Simplify right side
    1,913,941.28x = 1,572,684,957,844.98
  5. Step 5: Solve for x
    x = 1,572,684,957,844.98/1,913,941.28
  6. Step 6: Final answer
    x = 821,699.69

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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.