Home / 1,433,207.70-2,149,811.55-435,806.10

Finding the Fourth Proportional to 1,433,207.70, 2,149,811.55 and 435,806.10

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Solution

The fourth proportional to 1,433,207.70, 2,149,811.55 and 435,806.10 is: 653,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,207.70 : 2,149,811.55 = 435,806.10 : x
  2. Step 2: Convert to fraction form
    1,433,207.70/2,149,811.55 = 435,806.10/x
  3. Step 3: Cross multiply
    1,433,207.70x = 2,149,811.55 × 435,806.10
  4. Step 4: Simplify right side
    1,433,207.70x = 936,900,987,340.46
  5. Step 5: Solve for x
    x = 936,900,987,340.46/1,433,207.70
  6. Step 6: Final answer
    x = 653,709.15

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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.