Home / 1,712,723.40-2,569,741.20-1,685,823.30

Finding the Fourth Proportional to 1,712,723.40, 2,569,741.20 and 1,685,823.30

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Solution

The fourth proportional to 1,712,723.40, 2,569,741.20 and 1,685,823.30 is: 2,529,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,723.40 : 2,569,741.20 = 1,685,823.30 : x
  2. Step 2: Convert to fraction form
    1,712,723.40/2,569,741.20 = 1,685,823.30/x
  3. Step 3: Cross multiply
    1,712,723.40x = 2,569,741.20 × 1,685,823.30
  4. Step 4: Simplify right side
    1,712,723.40x = 4,332,129,589,929.96
  5. Step 5: Solve for x
    x = 4,332,129,589,929.96/1,712,723.40
  6. Step 6: Final answer
    x = 2,529,380.75

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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.