Home / 766,226.53-1,057,379.69-422,094.65

Finding the Fourth Proportional to 766,226.53, 1,057,379.69 and 422,094.65

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Solution

The fourth proportional to 766,226.53, 1,057,379.69 and 422,094.65 is: 582,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,226.53 : 1,057,379.69 = 422,094.65 : x
  2. Step 2: Convert to fraction form
    766,226.53/1,057,379.69 = 422,094.65/x
  3. Step 3: Cross multiply
    766,226.53x = 1,057,379.69 × 422,094.65
  4. Step 4: Simplify right side
    766,226.53x = 446,314,309,901.17
  5. Step 5: Solve for x
    x = 446,314,309,901.17/766,226.53
  6. Step 6: Final answer
    x = 582,483.50

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Double scale
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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.