Home / 1,272,776-1,756,385.92-699,812.16

Finding the Fourth Proportional to 1,272,776, 1,756,385.92 and 699,812.16

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Solution

The fourth proportional to 1,272,776, 1,756,385.92 and 699,812.16 is: 965,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,776 : 1,756,385.92 = 699,812.16 : x
  2. Step 2: Convert to fraction form
    1,272,776/1,756,385.92 = 699,812.16/x
  3. Step 3: Cross multiply
    1,272,776x = 1,756,385.92 × 699,812.16
  4. Step 4: Simplify right side
    1,272,776x = 1,229,140,224,468.79
  5. Step 5: Solve for x
    x = 1,229,140,224,468.79/1,272,776
  6. Step 6: Final answer
    x = 965,716.06

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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.