Home / 527,261.90-790,419.21-190,223.33

Finding the Fourth Proportional to 527,261.90, 790,419.21 and 190,223.33

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Solution

The fourth proportional to 527,261.90, 790,419.21 and 190,223.33 is: 285,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,261.90 : 790,419.21 = 190,223.33 : x
  2. Step 2: Convert to fraction form
    527,261.90/790,419.21 = 190,223.33/x
  3. Step 3: Cross multiply
    527,261.90x = 790,419.21 × 190,223.33
  4. Step 4: Simplify right side
    527,261.90x = 150,356,170,270.07
  5. Step 5: Solve for x
    x = 150,356,170,270.07/527,261.90
  6. Step 6: Final answer
    x = 285,164.11

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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.