Home / 1,162,183.47-1,603,854.30-645,947.65

Finding the Fourth Proportional to 1,162,183.47, 1,603,854.30 and 645,947.65

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Solution

The fourth proportional to 1,162,183.47, 1,603,854.30 and 645,947.65 is: 891,430.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,183.47 : 1,603,854.30 = 645,947.65 : x
  2. Step 2: Convert to fraction form
    1,162,183.47/1,603,854.30 = 645,947.65/x
  3. Step 3: Cross multiply
    1,162,183.47x = 1,603,854.30 × 645,947.65
  4. Step 4: Simplify right side
    1,162,183.47x = 1,036,005,916,027.40
  5. Step 5: Solve for x
    x = 1,036,005,916,027.40/1,162,183.47
  6. Step 6: Final answer
    x = 891,430.61

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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.