Home / 613,822.03-847,116.99-372,114.79

Finding the Fourth Proportional to 613,822.03, 847,116.99 and 372,114.79

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Solution

The fourth proportional to 613,822.03, 847,116.99 and 372,114.79 is: 513,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,822.03 : 847,116.99 = 372,114.79 : x
  2. Step 2: Convert to fraction form
    613,822.03/847,116.99 = 372,114.79/x
  3. Step 3: Cross multiply
    613,822.03x = 847,116.99 × 372,114.79
  4. Step 4: Simplify right side
    613,822.03x = 315,224,760,839.28
  5. Step 5: Solve for x
    x = 315,224,760,839.28/613,822.03
  6. Step 6: Final answer
    x = 513,544.23

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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.