Home / 1,272,516.50-1,756,083.57-699,544.10

Finding the Fourth Proportional to 1,272,516.50, 1,756,083.57 and 699,544.10

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Solution

The fourth proportional to 1,272,516.50, 1,756,083.57 and 699,544.10 is: 965,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,516.50 : 1,756,083.57 = 699,544.10 : x
  2. Step 2: Convert to fraction form
    1,272,516.50/1,756,083.57 = 699,544.10/x
  3. Step 3: Cross multiply
    1,272,516.50x = 1,756,083.57 × 699,544.10
  4. Step 4: Simplify right side
    1,272,516.50x = 1,228,457,900,500.44
  5. Step 5: Solve for x
    x = 1,228,457,900,500.44/1,272,516.50
  6. Step 6: Final answer
    x = 965,376.80

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1.5x scale

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.