Home / 1,771,806.80-2,655,895.80-871,864.40

Finding the Fourth Proportional to 1,771,806.80, 2,655,895.80 and 871,864.40

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Solution

The fourth proportional to 1,771,806.80, 2,655,895.80 and 871,864.40 is: 1,306,903.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,806.80 : 2,655,895.80 = 871,864.40 : x
  2. Step 2: Convert to fraction form
    1,771,806.80/2,655,895.80 = 871,864.40/x
  3. Step 3: Cross multiply
    1,771,806.80x = 2,655,895.80 × 871,864.40
  4. Step 4: Simplify right side
    1,771,806.80x = 2,315,580,998,129.52
  5. Step 5: Solve for x
    x = 2,315,580,998,129.52/1,771,806.80
  6. Step 6: Final answer
    x = 1,306,903.78

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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.