Home / 1,297,696.68-1,777,814.70-1,249,179.39

Finding the Fourth Proportional to 1,297,696.68, 1,777,814.70 and 1,249,179.39

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Solution

The fourth proportional to 1,297,696.68, 1,777,814.70 and 1,249,179.39 is: 1,711,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,696.68 : 1,777,814.70 = 1,249,179.39 : x
  2. Step 2: Convert to fraction form
    1,297,696.68/1,777,814.70 = 1,249,179.39/x
  3. Step 3: Cross multiply
    1,297,696.68x = 1,777,814.70 × 1,249,179.39
  4. Step 4: Simplify right side
    1,297,696.68x = 2,220,809,482,479.03
  5. Step 5: Solve for x
    x = 2,220,809,482,479.03/1,297,696.68
  6. Step 6: Final answer
    x = 1,711,347.13

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.