Home / 314,304.24-433,821.48-199,638

Finding the Fourth Proportional to 314,304.24, 433,821.48 and 199,638

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Solution

The fourth proportional to 314,304.24, 433,821.48 and 199,638 is: 275,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,304.24 : 433,821.48 = 199,638 : x
  2. Step 2: Convert to fraction form
    314,304.24/433,821.48 = 199,638/x
  3. Step 3: Cross multiply
    314,304.24x = 433,821.48 × 199,638
  4. Step 4: Simplify right side
    314,304.24x = 86,607,252,624.24
  5. Step 5: Solve for x
    x = 86,607,252,624.24/314,304.24
  6. Step 6: Final answer
    x = 275,552.29

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1.5x scale

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.