Home / 526,931.53-790,307.38-189,905.11

Finding the Fourth Proportional to 526,931.53, 790,307.38 and 189,905.11

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Solution

The fourth proportional to 526,931.53, 790,307.38 and 189,905.11 is: 284,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,931.53 : 790,307.38 = 189,905.11 : x
  2. Step 2: Convert to fraction form
    526,931.53/790,307.38 = 189,905.11/x
  3. Step 3: Cross multiply
    526,931.53x = 790,307.38 × 189,905.11
  4. Step 4: Simplify right side
    526,931.53x = 150,083,408,194.33
  5. Step 5: Solve for x
    x = 150,083,408,194.33/526,931.53
  6. Step 6: Final answer
    x = 284,825.26

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1.5x scale

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.