Home / 1,681,419.34-2,522,102.28-782,358.22

Finding the Fourth Proportional to 1,681,419.34, 2,522,102.28 and 782,358.22

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Solution

The fourth proportional to 1,681,419.34, 2,522,102.28 and 782,358.22 is: 1,173,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,419.34 : 2,522,102.28 = 782,358.22 : x
  2. Step 2: Convert to fraction form
    1,681,419.34/2,522,102.28 = 782,358.22/x
  3. Step 3: Cross multiply
    1,681,419.34x = 2,522,102.28 × 782,358.22
  4. Step 4: Simplify right side
    1,681,419.34x = 1,973,187,450,438.74
  5. Step 5: Solve for x
    x = 1,973,187,450,438.74/1,681,419.34
  6. Step 6: Final answer
    x = 1,173,524.89

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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.