Home / 769,683.68-1,154,036.50-675,103.80

Finding the Fourth Proportional to 769,683.68, 1,154,036.50 and 675,103.80

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Solution

The fourth proportional to 769,683.68, 1,154,036.50 and 675,103.80 is: 1,012,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,683.68 : 1,154,036.50 = 675,103.80 : x
  2. Step 2: Convert to fraction form
    769,683.68/1,154,036.50 = 675,103.80/x
  3. Step 3: Cross multiply
    769,683.68x = 1,154,036.50 × 675,103.80
  4. Step 4: Simplify right side
    769,683.68x = 779,094,426,488.70
  5. Step 5: Solve for x
    x = 779,094,426,488.70/769,683.68
  6. Step 6: Final answer
    x = 1,012,226.77

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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.