Home / 1,771,826.80-2,655,925.80-871,884.40

Finding the Fourth Proportional to 1,771,826.80, 2,655,925.80 and 871,884.40

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Solution

The fourth proportional to 1,771,826.80, 2,655,925.80 and 871,884.40 is: 1,306,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,826.80 : 2,655,925.80 = 871,884.40 : x
  2. Step 2: Convert to fraction form
    1,771,826.80/2,655,925.80 = 871,884.40/x
  3. Step 3: Cross multiply
    1,771,826.80x = 2,655,925.80 × 871,884.40
  4. Step 4: Simplify right side
    1,771,826.80x = 2,315,660,272,577.52
  5. Step 5: Solve for x
    x = 2,315,660,272,577.52/1,771,826.80
  6. Step 6: Final answer
    x = 1,306,933.77

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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.