Home / 957,636.60-1,321,542.50-527,907.30

Finding the Fourth Proportional to 957,636.60, 1,321,542.50 and 527,907.30

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Solution

The fourth proportional to 957,636.60, 1,321,542.50 and 527,907.30 is: 728,514.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,636.60 : 1,321,542.50 = 527,907.30 : x
  2. Step 2: Convert to fraction form
    957,636.60/1,321,542.50 = 527,907.30/x
  3. Step 3: Cross multiply
    957,636.60x = 1,321,542.50 × 527,907.30
  4. Step 4: Simplify right side
    957,636.60x = 697,651,933,010.25
  5. Step 5: Solve for x
    x = 697,651,933,010.25/957,636.60
  6. Step 6: Final answer
    x = 728,514.27

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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.