Home / 526,441.38-787,584.39-398,725.67

Finding the Fourth Proportional to 526,441.38, 787,584.39 and 398,725.67

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Solution

The fourth proportional to 526,441.38, 787,584.39 and 398,725.67 is: 596,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,441.38 : 787,584.39 = 398,725.67 : x
  2. Step 2: Convert to fraction form
    526,441.38/787,584.39 = 398,725.67/x
  3. Step 3: Cross multiply
    526,441.38x = 787,584.39 × 398,725.67
  4. Step 4: Simplify right side
    526,441.38x = 314,030,114,095.03
  5. Step 5: Solve for x
    x = 314,030,114,095.03/526,441.38
  6. Step 6: Final answer
    x = 596,514.88

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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.