Home / 1,132,407.40-1,698,086.22-422,244.76

Finding the Fourth Proportional to 1,132,407.40, 1,698,086.22 and 422,244.76

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Solution

The fourth proportional to 1,132,407.40, 1,698,086.22 and 422,244.76 is: 633,171.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,407.40 : 1,698,086.22 = 422,244.76 : x
  2. Step 2: Convert to fraction form
    1,132,407.40/1,698,086.22 = 422,244.76/x
  3. Step 3: Cross multiply
    1,132,407.40x = 1,698,086.22 × 422,244.76
  4. Step 4: Simplify right side
    1,132,407.40x = 717,008,008,423.21
  5. Step 5: Solve for x
    x = 717,008,008,423.21/1,132,407.40
  6. Step 6: Final answer
    x = 633,171.43

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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.