Home / 766,797.03-1,149,416.28-317,762.19

Finding the Fourth Proportional to 766,797.03, 1,149,416.28 and 317,762.19

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Solution

The fourth proportional to 766,797.03, 1,149,416.28 and 317,762.19 is: 476,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,797.03 : 1,149,416.28 = 317,762.19 : x
  2. Step 2: Convert to fraction form
    766,797.03/1,149,416.28 = 317,762.19/x
  3. Step 3: Cross multiply
    766,797.03x = 1,149,416.28 × 317,762.19
  4. Step 4: Simplify right side
    766,797.03x = 365,241,034,354.45
  5. Step 5: Solve for x
    x = 365,241,034,354.45/766,797.03
  6. Step 6: Final answer
    x = 476,320.36

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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.