Home / 513,100.04-765,892.41-452,499.49

Finding the Fourth Proportional to 513,100.04, 765,892.41 and 452,499.49

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Solution

The fourth proportional to 513,100.04, 765,892.41 and 452,499.49 is: 675,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,100.04 : 765,892.41 = 452,499.49 : x
  2. Step 2: Convert to fraction form
    513,100.04/765,892.41 = 452,499.49/x
  3. Step 3: Cross multiply
    513,100.04x = 765,892.41 × 452,499.49
  4. Step 4: Simplify right side
    513,100.04x = 346,565,924,919.87
  5. Step 5: Solve for x
    x = 346,565,924,919.87/513,100.04
  6. Step 6: Final answer
    x = 675,435.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.