Home / 1,777,659.12-2,666,820.24-712,784.52

Finding the Fourth Proportional to 1,777,659.12, 2,666,820.24 and 712,784.52

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Solution

The fourth proportional to 1,777,659.12, 2,666,820.24 and 712,784.52 is: 1,069,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,777,659.12 : 2,666,820.24 = 712,784.52 : x
  2. Step 2: Convert to fraction form
    1,777,659.12/2,666,820.24 = 712,784.52/x
  3. Step 3: Cross multiply
    1,777,659.12x = 2,666,820.24 × 712,784.52
  4. Step 4: Simplify right side
    1,777,659.12x = 1,900,868,184,694.69
  5. Step 5: Solve for x
    x = 1,900,868,184,694.69/1,777,659.12
  6. Step 6: Final answer
    x = 1,069,309.72

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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.