Home / 688,512.75-950,147.67-382,580.16

Finding the Fourth Proportional to 688,512.75, 950,147.67 and 382,580.16

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Solution

The fourth proportional to 688,512.75, 950,147.67 and 382,580.16 is: 527,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,512.75 : 950,147.67 = 382,580.16 : x
  2. Step 2: Convert to fraction form
    688,512.75/950,147.67 = 382,580.16/x
  3. Step 3: Cross multiply
    688,512.75x = 950,147.67 × 382,580.16
  4. Step 4: Simplify right side
    688,512.75x = 363,507,647,612.23
  5. Step 5: Solve for x
    x = 363,507,647,612.23/688,512.75
  6. Step 6: Final answer
    x = 527,960.66

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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.