Home / 855,912.54-1,181,144.88-473,931.12

Finding the Fourth Proportional to 855,912.54, 1,181,144.88 and 473,931.12

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Solution

The fourth proportional to 855,912.54, 1,181,144.88 and 473,931.12 is: 654,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,912.54 : 1,181,144.88 = 473,931.12 : x
  2. Step 2: Convert to fraction form
    855,912.54/1,181,144.88 = 473,931.12/x
  3. Step 3: Cross multiply
    855,912.54x = 1,181,144.88 × 473,931.12
  4. Step 4: Simplify right side
    855,912.54x = 559,781,315,860.67
  5. Step 5: Solve for x
    x = 559,781,315,860.67/855,912.54
  6. Step 6: Final answer
    x = 654,016.96

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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.