Home / 1,189,262.28-1,640,646.12-705,847.80

Finding the Fourth Proportional to 1,189,262.28, 1,640,646.12 and 705,847.80

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Solution

The fourth proportional to 1,189,262.28, 1,640,646.12 and 705,847.80 is: 973,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,262.28 : 1,640,646.12 = 705,847.80 : x
  2. Step 2: Convert to fraction form
    1,189,262.28/1,640,646.12 = 705,847.80/x
  3. Step 3: Cross multiply
    1,189,262.28x = 1,640,646.12 × 705,847.80
  4. Step 4: Simplify right side
    1,189,262.28x = 1,158,046,454,380.54
  5. Step 5: Solve for x
    x = 1,158,046,454,380.54/1,189,262.28
  6. Step 6: Final answer
    x = 973,751.94

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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.