Home / 626,329.20-939,489.30-153,010.20

Finding the Fourth Proportional to 626,329.20, 939,489.30 and 153,010.20

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Solution

The fourth proportional to 626,329.20, 939,489.30 and 153,010.20 is: 229,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,329.20 : 939,489.30 = 153,010.20 : x
  2. Step 2: Convert to fraction form
    626,329.20/939,489.30 = 153,010.20/x
  3. Step 3: Cross multiply
    626,329.20x = 939,489.30 × 153,010.20
  4. Step 4: Simplify right side
    626,329.20x = 143,751,445,690.86
  5. Step 5: Solve for x
    x = 143,751,445,690.86/626,329.20
  6. Step 6: Final answer
    x = 229,514.20

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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.