Home / 769,707.90-1,062,174.06-430,175.34

Finding the Fourth Proportional to 769,707.90, 1,062,174.06 and 430,175.34

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Solution

The fourth proportional to 769,707.90, 1,062,174.06 and 430,175.34 is: 593,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,707.90 : 1,062,174.06 = 430,175.34 : x
  2. Step 2: Convert to fraction form
    769,707.90/1,062,174.06 = 430,175.34/x
  3. Step 3: Cross multiply
    769,707.90x = 1,062,174.06 × 430,175.34
  4. Step 4: Simplify right side
    769,707.90x = 456,921,087,399.68
  5. Step 5: Solve for x
    x = 456,921,087,399.68/769,707.90
  6. Step 6: Final answer
    x = 593,629.20

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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.