Home / 527,288.72-790,684.61-190,285.38

Finding the Fourth Proportional to 527,288.72, 790,684.61 and 190,285.38

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Solution

The fourth proportional to 527,288.72, 790,684.61 and 190,285.38 is: 285,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,288.72 : 790,684.61 = 190,285.38 : x
  2. Step 2: Convert to fraction form
    527,288.72/790,684.61 = 190,285.38/x
  3. Step 3: Cross multiply
    527,288.72x = 790,684.61 × 190,285.38
  4. Step 4: Simplify right side
    527,288.72x = 150,455,720,522.58
  5. Step 5: Solve for x
    x = 150,455,720,522.58/527,288.72
  6. Step 6: Final answer
    x = 285,338.40

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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.