Home / 514,400.31-771,600.55-214,717.41

Finding the Fourth Proportional to 514,400.31, 771,600.55 and 214,717.41

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Solution

The fourth proportional to 514,400.31, 771,600.55 and 214,717.41 is: 322,076.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,400.31 : 771,600.55 = 214,717.41 : x
  2. Step 2: Convert to fraction form
    514,400.31/771,600.55 = 214,717.41/x
  3. Step 3: Cross multiply
    514,400.31x = 771,600.55 × 214,717.41
  4. Step 4: Simplify right side
    514,400.31x = 165,676,071,918.97
  5. Step 5: Solve for x
    x = 165,676,071,918.97/514,400.31
  6. Step 6: Final answer
    x = 322,076.15

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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.