Home / 468,742.58-646,865.80-253,882.69

Finding the Fourth Proportional to 468,742.58, 646,865.80 and 253,882.69

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Solution

The fourth proportional to 468,742.58, 646,865.80 and 253,882.69 is: 350,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,742.58 : 646,865.80 = 253,882.69 : x
  2. Step 2: Convert to fraction form
    468,742.58/646,865.80 = 253,882.69/x
  3. Step 3: Cross multiply
    468,742.58x = 646,865.80 × 253,882.69
  4. Step 4: Simplify right side
    468,742.58x = 164,228,027,121.13
  5. Step 5: Solve for x
    x = 164,228,027,121.13/468,742.58
  6. Step 6: Final answer
    x = 350,358.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.