Home / 1,389,596.11-2,083,326.11-705,920.88

Finding the Fourth Proportional to 1,389,596.11, 2,083,326.11 and 705,920.88

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Solution

The fourth proportional to 1,389,596.11, 2,083,326.11 and 705,920.88 is: 1,058,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,596.11 : 2,083,326.11 = 705,920.88 : x
  2. Step 2: Convert to fraction form
    1,389,596.11/2,083,326.11 = 705,920.88/x
  3. Step 3: Cross multiply
    1,389,596.11x = 2,083,326.11 × 705,920.88
  4. Step 4: Simplify right side
    1,389,596.11x = 1,470,663,400,898.18
  5. Step 5: Solve for x
    x = 1,470,663,400,898.18/1,389,596.11
  6. Step 6: Final answer
    x = 1,058,338.74

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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.