Home / 855,930.12-1,181,169.14-473,948.70

Finding the Fourth Proportional to 855,930.12, 1,181,169.14 and 473,948.70

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Solution

The fourth proportional to 855,930.12, 1,181,169.14 and 473,948.70 is: 654,041.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,930.12 : 1,181,169.14 = 473,948.70 : x
  2. Step 2: Convert to fraction form
    855,930.12/1,181,169.14 = 473,948.70/x
  3. Step 3: Cross multiply
    855,930.12x = 1,181,169.14 × 473,948.70
  4. Step 4: Simplify right side
    855,930.12x = 559,813,576,013.38
  5. Step 5: Solve for x
    x = 559,813,576,013.38/855,930.12
  6. Step 6: Final answer
    x = 654,041.22

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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.