Home / 1,314,222.70-1,971,577.41-415,890.58

Finding the Fourth Proportional to 1,314,222.70, 1,971,577.41 and 415,890.58

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Solution

The fourth proportional to 1,314,222.70, 1,971,577.41 and 415,890.58 is: 623,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,222.70 : 1,971,577.41 = 415,890.58 : x
  2. Step 2: Convert to fraction form
    1,314,222.70/1,971,577.41 = 415,890.58/x
  3. Step 3: Cross multiply
    1,314,222.70x = 1,971,577.41 × 415,890.58
  4. Step 4: Simplify right side
    1,314,222.70x = 819,960,472,559.80
  5. Step 5: Solve for x
    x = 819,960,472,559.80/1,314,222.70
  6. Step 6: Final answer
    x = 623,912.88

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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.