Home / 769,809.36-1,062,358.92-430,278.24

Finding the Fourth Proportional to 769,809.36, 1,062,358.92 and 430,278.24

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Solution

The fourth proportional to 769,809.36, 1,062,358.92 and 430,278.24 is: 593,796.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,809.36 : 1,062,358.92 = 430,278.24 : x
  2. Step 2: Convert to fraction form
    769,809.36/1,062,358.92 = 430,278.24/x
  3. Step 3: Cross multiply
    769,809.36x = 1,062,358.92 × 430,278.24
  4. Step 4: Simplify right side
    769,809.36x = 457,109,926,345.90
  5. Step 5: Solve for x
    x = 457,109,926,345.90/769,809.36
  6. Step 6: Final answer
    x = 593,796.27

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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.