Home / 835,170.12-1,152,266.79-467,593.11

Finding the Fourth Proportional to 835,170.12, 1,152,266.79 and 467,593.11

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Solution

The fourth proportional to 835,170.12, 1,152,266.79 and 467,593.11 is: 645,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,170.12 : 1,152,266.79 = 467,593.11 : x
  2. Step 2: Convert to fraction form
    835,170.12/1,152,266.79 = 467,593.11/x
  3. Step 3: Cross multiply
    835,170.12x = 1,152,266.79 × 467,593.11
  4. Step 4: Simplify right side
    835,170.12x = 538,792,005,811.34
  5. Step 5: Solve for x
    x = 538,792,005,811.34/835,170.12
  6. Step 6: Final answer
    x = 645,128.45

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Double scale
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Similar ratio
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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.