Home / 314,822.18-434,620.73-252,897.32

Finding the Fourth Proportional to 314,822.18, 434,620.73 and 252,897.32

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Solution

The fourth proportional to 314,822.18, 434,620.73 and 252,897.32 is: 349,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,822.18 : 434,620.73 = 252,897.32 : x
  2. Step 2: Convert to fraction form
    314,822.18/434,620.73 = 252,897.32/x
  3. Step 3: Cross multiply
    314,822.18x = 434,620.73 × 252,897.32
  4. Step 4: Simplify right side
    314,822.18x = 109,914,417,833.44
  5. Step 5: Solve for x
    x = 109,914,417,833.44/314,822.18
  6. Step 6: Final answer
    x = 349,131.75

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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.