Home / 854,227.69-1,178,858.81-472,279.07

Finding the Fourth Proportional to 854,227.69, 1,178,858.81 and 472,279.07

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Solution

The fourth proportional to 854,227.69, 1,178,858.81 and 472,279.07 is: 651,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,227.69 : 1,178,858.81 = 472,279.07 : x
  2. Step 2: Convert to fraction form
    854,227.69/1,178,858.81 = 472,279.07/x
  3. Step 3: Cross multiply
    854,227.69x = 1,178,858.81 × 472,279.07
  4. Step 4: Simplify right side
    854,227.69x = 556,750,346,575.95
  5. Step 5: Solve for x
    x = 556,750,346,575.95/854,227.69
  6. Step 6: Final answer
    x = 651,758.72

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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.