Home / 769,683.80-1,154,036.68-675,103.92

Finding the Fourth Proportional to 769,683.80, 1,154,036.68 and 675,103.92

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Solution

The fourth proportional to 769,683.80, 1,154,036.68 and 675,103.92 is: 1,012,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,683.80 : 1,154,036.68 = 675,103.92 : x
  2. Step 2: Convert to fraction form
    769,683.80/1,154,036.68 = 675,103.92/x
  3. Step 3: Cross multiply
    769,683.80x = 1,154,036.68 × 675,103.92
  4. Step 4: Simplify right side
    769,683.80x = 779,094,686,491.79
  5. Step 5: Solve for x
    x = 779,094,686,491.79/769,683.80
  6. Step 6: Final answer
    x = 1,012,226.95

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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.