Home / 969,796.98-1,338,224.04-540,117.12

Finding the Fourth Proportional to 969,796.98, 1,338,224.04 and 540,117.12

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Solution

The fourth proportional to 969,796.98, 1,338,224.04 and 540,117.12 is: 745,308.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,796.98 : 1,338,224.04 = 540,117.12 : x
  2. Step 2: Convert to fraction form
    969,796.98/1,338,224.04 = 540,117.12/x
  3. Step 3: Cross multiply
    969,796.98x = 1,338,224.04 × 540,117.12
  4. Step 4: Simplify right side
    969,796.98x = 722,797,714,399.57
  5. Step 5: Solve for x
    x = 722,797,714,399.57/969,796.98
  6. Step 6: Final answer
    x = 745,308.28

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Double scale
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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.