Home / 931,357.52-1,395,867.60-398,251.67

Finding the Fourth Proportional to 931,357.52, 1,395,867.60 and 398,251.67

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Solution

The fourth proportional to 931,357.52, 1,395,867.60 and 398,251.67 is: 596,877.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,357.52 : 1,395,867.60 = 398,251.67 : x
  2. Step 2: Convert to fraction form
    931,357.52/1,395,867.60 = 398,251.67/x
  3. Step 3: Cross multiply
    931,357.52x = 1,395,867.60 × 398,251.67
  4. Step 4: Simplify right side
    931,357.52x = 555,906,595,819.55
  5. Step 5: Solve for x
    x = 555,906,595,819.55/931,357.52
  6. Step 6: Final answer
    x = 596,877.76

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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.