Home / 766,007.10-1,149,010.65-529,811.10

Finding the Fourth Proportional to 766,007.10, 1,149,010.65 and 529,811.10

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Solution

The fourth proportional to 766,007.10, 1,149,010.65 and 529,811.10 is: 794,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,007.10 : 1,149,010.65 = 529,811.10 : x
  2. Step 2: Convert to fraction form
    766,007.10/1,149,010.65 = 529,811.10/x
  3. Step 3: Cross multiply
    766,007.10x = 1,149,010.65 × 529,811.10
  4. Step 4: Simplify right side
    766,007.10x = 608,758,596,388.22
  5. Step 5: Solve for x
    x = 608,758,596,388.22/766,007.10
  6. Step 6: Final answer
    x = 794,716.65

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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.