Home / 526,836.38-790,226.72-147,783.41

Finding the Fourth Proportional to 526,836.38, 790,226.72 and 147,783.41

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Solution

The fourth proportional to 526,836.38, 790,226.72 and 147,783.41 is: 221,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,836.38 : 790,226.72 = 147,783.41 : x
  2. Step 2: Convert to fraction form
    526,836.38/790,226.72 = 147,783.41/x
  3. Step 3: Cross multiply
    526,836.38x = 790,226.72 × 147,783.41
  4. Step 4: Simplify right side
    526,836.38x = 116,782,398,182.20
  5. Step 5: Solve for x
    x = 116,782,398,182.20/526,836.38
  6. Step 6: Final answer
    x = 221,667.30

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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.