Home / 767,131.92-1,058,457.96-495,142.20

Finding the Fourth Proportional to 767,131.92, 1,058,457.96 and 495,142.20

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Solution

The fourth proportional to 767,131.92, 1,058,457.96 and 495,142.20 is: 683,177.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,131.92 : 1,058,457.96 = 495,142.20 : x
  2. Step 2: Convert to fraction form
    767,131.92/1,058,457.96 = 495,142.20/x
  3. Step 3: Cross multiply
    767,131.92x = 1,058,457.96 × 495,142.20
  4. Step 4: Simplify right side
    767,131.92x = 524,087,202,921.91
  5. Step 5: Solve for x
    x = 524,087,202,921.91/767,131.92
  6. Step 6: Final answer
    x = 683,177.42

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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.