Home / 855,912.43-1,181,144.71-473,931.01

Finding the Fourth Proportional to 855,912.43, 1,181,144.71 and 473,931.01

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Solution

The fourth proportional to 855,912.43, 1,181,144.71 and 473,931.01 is: 654,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,912.43 : 1,181,144.71 = 473,931.01 : x
  2. Step 2: Convert to fraction form
    855,912.43/1,181,144.71 = 473,931.01/x
  3. Step 3: Cross multiply
    855,912.43x = 1,181,144.71 × 473,931.01
  4. Step 4: Simplify right side
    855,912.43x = 559,781,105,366.46
  5. Step 5: Solve for x
    x = 559,781,105,366.46/855,912.43
  6. Step 6: Final answer
    x = 654,016.80

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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.