Home / 1,943,452.41-2,912,438.35-917,688.25

Finding the Fourth Proportional to 1,943,452.41, 2,912,438.35 and 917,688.25

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Solution

The fourth proportional to 1,943,452.41, 2,912,438.35 and 917,688.25 is: 1,375,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,452.41 : 2,912,438.35 = 917,688.25 : x
  2. Step 2: Convert to fraction form
    1,943,452.41/2,912,438.35 = 917,688.25/x
  3. Step 3: Cross multiply
    1,943,452.41x = 2,912,438.35 × 917,688.25
  4. Step 4: Simplify right side
    1,943,452.41x = 2,672,710,452,644.39
  5. Step 5: Solve for x
    x = 2,672,710,452,644.39/1,943,452.41
  6. Step 6: Final answer
    x = 1,375,238.44

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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.