Home / 855,915.54-1,181,149.02-473,934.12

Finding the Fourth Proportional to 855,915.54, 1,181,149.02 and 473,934.12

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Solution

The fourth proportional to 855,915.54, 1,181,149.02 and 473,934.12 is: 654,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,915.54 : 1,181,149.02 = 473,934.12 : x
  2. Step 2: Convert to fraction form
    855,915.54/1,181,149.02 = 473,934.12/x
  3. Step 3: Cross multiply
    855,915.54x = 1,181,149.02 × 473,934.12
  4. Step 4: Simplify right side
    855,915.54x = 559,786,821,382.56
  5. Step 5: Solve for x
    x = 559,786,821,382.56/855,915.54
  6. Step 6: Final answer
    x = 654,021.10

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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.