Home / 1,386,197.50-1,912,958.31-750,293.50

Finding the Fourth Proportional to 1,386,197.50, 1,912,958.31 and 750,293.50

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Solution

The fourth proportional to 1,386,197.50, 1,912,958.31 and 750,293.50 is: 1,035,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,197.50 : 1,912,958.31 = 750,293.50 : x
  2. Step 2: Convert to fraction form
    1,386,197.50/1,912,958.31 = 750,293.50/x
  3. Step 3: Cross multiply
    1,386,197.50x = 1,912,958.31 × 750,293.50
  4. Step 4: Simplify right side
    1,386,197.50x = 1,435,280,185,763.99
  5. Step 5: Solve for x
    x = 1,435,280,185,763.99/1,386,197.50
  6. Step 6: Final answer
    x = 1,035,408.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.