Home / 759,043.78-1,138,526.79-226,569.22

Finding the Fourth Proportional to 759,043.78, 1,138,526.79 and 226,569.22

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Solution

The fourth proportional to 759,043.78, 1,138,526.79 and 226,569.22 is: 339,842.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,043.78 : 1,138,526.79 = 226,569.22 : x
  2. Step 2: Convert to fraction form
    759,043.78/1,138,526.79 = 226,569.22/x
  3. Step 3: Cross multiply
    759,043.78x = 1,138,526.79 × 226,569.22
  4. Step 4: Simplify right side
    759,043.78x = 257,955,126,759.40
  5. Step 5: Solve for x
    x = 257,955,126,759.40/759,043.78
  6. Step 6: Final answer
    x = 339,842.22

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Half scale
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Double scale
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Similar ratio
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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.