Home / 762,308.09-1,143,339.45-222,437.62

Finding the Fourth Proportional to 762,308.09, 1,143,339.45 and 222,437.62

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Solution

The fourth proportional to 762,308.09, 1,143,339.45 and 222,437.62 is: 333,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,308.09 : 1,143,339.45 = 222,437.62 : x
  2. Step 2: Convert to fraction form
    762,308.09/1,143,339.45 = 222,437.62/x
  3. Step 3: Cross multiply
    762,308.09x = 1,143,339.45 × 222,437.62
  4. Step 4: Simplify right side
    762,308.09x = 254,321,706,110.11
  5. Step 5: Solve for x
    x = 254,321,706,110.11/762,308.09
  6. Step 6: Final answer
    x = 333,620.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.