Home / 1,314,138.60-1,970,819.10-514,960.20

Finding the Fourth Proportional to 1,314,138.60, 1,970,819.10 and 514,960.20

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Solution

The fourth proportional to 1,314,138.60, 1,970,819.10 and 514,960.20 is: 772,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,138.60 : 1,970,819.10 = 514,960.20 : x
  2. Step 2: Convert to fraction form
    1,314,138.60/1,970,819.10 = 514,960.20/x
  3. Step 3: Cross multiply
    1,314,138.60x = 1,970,819.10 × 514,960.20
  4. Step 4: Simplify right side
    1,314,138.60x = 1,014,893,397,899.82
  5. Step 5: Solve for x
    x = 1,014,893,397,899.82/1,314,138.60
  6. Step 6: Final answer
    x = 772,287.94

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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.