Home / 1,368,543.50-1,888,556.51-756,680.13

Finding the Fourth Proportional to 1,368,543.50, 1,888,556.51 and 756,680.13

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Solution

The fourth proportional to 1,368,543.50, 1,888,556.51 and 756,680.13 is: 1,044,200.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,543.50 : 1,888,556.51 = 756,680.13 : x
  2. Step 2: Convert to fraction form
    1,368,543.50/1,888,556.51 = 756,680.13/x
  3. Step 3: Cross multiply
    1,368,543.50x = 1,888,556.51 × 756,680.13
  4. Step 4: Simplify right side
    1,368,543.50x = 1,429,033,187,390.85
  5. Step 5: Solve for x
    x = 1,429,033,187,390.85/1,368,543.50
  6. Step 6: Final answer
    x = 1,044,200.05

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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.