Home / 901,081.58-1,243,358.81-547,278.29

Finding the Fourth Proportional to 901,081.58, 1,243,358.81 and 547,278.29

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Solution

The fourth proportional to 901,081.58, 1,243,358.81 and 547,278.29 is: 755,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,081.58 : 1,243,358.81 = 547,278.29 : x
  2. Step 2: Convert to fraction form
    901,081.58/1,243,358.81 = 547,278.29/x
  3. Step 3: Cross multiply
    901,081.58x = 1,243,358.81 × 547,278.29
  4. Step 4: Simplify right side
    901,081.58x = 680,463,278,544.64
  5. Step 5: Solve for x
    x = 680,463,278,544.64/901,081.58
  6. Step 6: Final answer
    x = 755,162.79

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Half scale
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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.