Home / 810,844.26-1,118,697.63-520,618.42

Finding the Fourth Proportional to 810,844.26, 1,118,697.63 and 520,618.42

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Solution

The fourth proportional to 810,844.26, 1,118,697.63 and 520,618.42 is: 718,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,844.26 : 1,118,697.63 = 520,618.42 : x
  2. Step 2: Convert to fraction form
    810,844.26/1,118,697.63 = 520,618.42/x
  3. Step 3: Cross multiply
    810,844.26x = 1,118,697.63 × 520,618.42
  4. Step 4: Simplify right side
    810,844.26x = 582,414,592,588.35
  5. Step 5: Solve for x
    x = 582,414,592,588.35/810,844.26
  6. Step 6: Final answer
    x = 718,281.70

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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.