Home / 705,189.27-973,161.19-403,383.27

Finding the Fourth Proportional to 705,189.27, 973,161.19 and 403,383.27

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Solution

The fourth proportional to 705,189.27, 973,161.19 and 403,383.27 is: 556,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,189.27 : 973,161.19 = 403,383.27 : x
  2. Step 2: Convert to fraction form
    705,189.27/973,161.19 = 403,383.27/x
  3. Step 3: Cross multiply
    705,189.27x = 973,161.19 × 403,383.27
  4. Step 4: Simplify right side
    705,189.27x = 392,556,943,059.29
  5. Step 5: Solve for x
    x = 392,556,943,059.29/705,189.27
  6. Step 6: Final answer
    x = 556,668.91

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.