Home / 1,299,569.20-1,947,651.45-624,306.98

Finding the Fourth Proportional to 1,299,569.20, 1,947,651.45 and 624,306.98

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Solution

The fourth proportional to 1,299,569.20, 1,947,651.45 and 624,306.98 is: 935,642.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,569.20 : 1,947,651.45 = 624,306.98 : x
  2. Step 2: Convert to fraction form
    1,299,569.20/1,947,651.45 = 624,306.98/x
  3. Step 3: Cross multiply
    1,299,569.20x = 1,947,651.45 × 624,306.98
  4. Step 4: Simplify right side
    1,299,569.20x = 1,215,932,394,842.12
  5. Step 5: Solve for x
    x = 1,215,932,394,842.12/1,299,569.20
  6. Step 6: Final answer
    x = 935,642.67

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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.