Home / 1,871,700.70-2,808,004.65-542,004.70

Finding the Fourth Proportional to 1,871,700.70, 2,808,004.65 and 542,004.70

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Solution

The fourth proportional to 1,871,700.70, 2,808,004.65 and 542,004.70 is: 813,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,871,700.70 : 2,808,004.65 = 542,004.70 : x
  2. Step 2: Convert to fraction form
    1,871,700.70/2,808,004.65 = 542,004.70/x
  3. Step 3: Cross multiply
    1,871,700.70x = 2,808,004.65 × 542,004.70
  4. Step 4: Simplify right side
    1,871,700.70x = 1,521,951,717,921.85
  5. Step 5: Solve for x
    x = 1,521,951,717,921.85/1,871,700.70
  6. Step 6: Final answer
    x = 813,138.40

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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.