Home / 855,891.81-1,181,116.26-473,910.39

Finding the Fourth Proportional to 855,891.81, 1,181,116.26 and 473,910.39

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Solution

The fourth proportional to 855,891.81, 1,181,116.26 and 473,910.39 is: 653,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,891.81 : 1,181,116.26 = 473,910.39 : x
  2. Step 2: Convert to fraction form
    855,891.81/1,181,116.26 = 473,910.39/x
  3. Step 3: Cross multiply
    855,891.81x = 1,181,116.26 × 473,910.39
  4. Step 4: Simplify right side
    855,891.81x = 559,743,267,411.94
  5. Step 5: Solve for x
    x = 559,743,267,411.94/855,891.81
  6. Step 6: Final answer
    x = 653,988.34

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Double scale
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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.