Home / 1,721,856.15-2,582,826.75-823,392.81

Finding the Fourth Proportional to 1,721,856.15, 2,582,826.75 and 823,392.81

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Solution

The fourth proportional to 1,721,856.15, 2,582,826.75 and 823,392.81 is: 1,235,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,856.15 : 2,582,826.75 = 823,392.81 : x
  2. Step 2: Convert to fraction form
    1,721,856.15/2,582,826.75 = 823,392.81/x
  3. Step 3: Cross multiply
    1,721,856.15x = 2,582,826.75 × 823,392.81
  4. Step 4: Simplify right side
    1,721,856.15x = 2,126,680,975,425.67
  5. Step 5: Solve for x
    x = 2,126,680,975,425.67/1,721,856.15
  6. Step 6: Final answer
    x = 1,235,109.55

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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.