Home / 1,219,821.91-1,683,364.20-675,966.78

Finding the Fourth Proportional to 1,219,821.91, 1,683,364.20 and 675,966.78

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Solution

The fourth proportional to 1,219,821.91, 1,683,364.20 and 675,966.78 is: 932,839.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,821.91 : 1,683,364.20 = 675,966.78 : x
  2. Step 2: Convert to fraction form
    1,219,821.91/1,683,364.20 = 675,966.78/x
  3. Step 3: Cross multiply
    1,219,821.91x = 1,683,364.20 × 675,966.78
  4. Step 4: Simplify right side
    1,219,821.91x = 1,137,898,266,044.62
  5. Step 5: Solve for x
    x = 1,137,898,266,044.62/1,219,821.91
  6. Step 6: Final answer
    x = 932,839.67

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