Home / 501,290.33-691,786.02-271,848.05

Finding the Fourth Proportional to 501,290.33, 691,786.02 and 271,848.05

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Solution

The fourth proportional to 501,290.33, 691,786.02 and 271,848.05 is: 375,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,290.33 : 691,786.02 = 271,848.05 : x
  2. Step 2: Convert to fraction form
    501,290.33/691,786.02 = 271,848.05/x
  3. Step 3: Cross multiply
    501,290.33x = 691,786.02 × 271,848.05
  4. Step 4: Simplify right side
    501,290.33x = 188,060,680,554.26
  5. Step 5: Solve for x
    x = 188,060,680,554.26/501,290.33
  6. Step 6: Final answer
    x = 375,153.22

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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.