Home / 1,136,238.60-1,568,041.83-626,973.78

Finding the Fourth Proportional to 1,136,238.60, 1,568,041.83 and 626,973.78

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Solution

The fourth proportional to 1,136,238.60, 1,568,041.83 and 626,973.78 is: 865,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,238.60 : 1,568,041.83 = 626,973.78 : x
  2. Step 2: Convert to fraction form
    1,136,238.60/1,568,041.83 = 626,973.78/x
  3. Step 3: Cross multiply
    1,136,238.60x = 1,568,041.83 × 626,973.78
  4. Step 4: Simplify right side
    1,136,238.60x = 983,121,113,353.22
  5. Step 5: Solve for x
    x = 983,121,113,353.22/1,136,238.60
  6. Step 6: Final answer
    x = 865,241.78

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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.