Home / 1,589,750-2,193,833.78-864,582.12

Finding the Fourth Proportional to 1,589,750, 2,193,833.78 and 864,582.12

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Solution

The fourth proportional to 1,589,750, 2,193,833.78 and 864,582.12 is: 1,193,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,750 : 2,193,833.78 = 864,582.12 : x
  2. Step 2: Convert to fraction form
    1,589,750/2,193,833.78 = 864,582.12/x
  3. Step 3: Cross multiply
    1,589,750x = 2,193,833.78 × 864,582.12
  4. Step 4: Simplify right side
    1,589,750x = 1,896,749,460,440.01
  5. Step 5: Solve for x
    x = 1,896,749,460,440.01/1,589,750
  6. Step 6: Final answer
    x = 1,193,111.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.