Home / 1,370,809.39-1,891,655.22-758,919.19

Finding the Fourth Proportional to 1,370,809.39, 1,891,655.22 and 758,919.19

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Solution

The fourth proportional to 1,370,809.39, 1,891,655.22 and 758,919.19 is: 1,047,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,809.39 : 1,891,655.22 = 758,919.19 : x
  2. Step 2: Convert to fraction form
    1,370,809.39/1,891,655.22 = 758,919.19/x
  3. Step 3: Cross multiply
    1,370,809.39x = 1,891,655.22 × 758,919.19
  4. Step 4: Simplify right side
    1,370,809.39x = 1,435,613,447,321.67
  5. Step 5: Solve for x
    x = 1,435,613,447,321.67/1,370,809.39
  6. Step 6: Final answer
    x = 1,047,274.30

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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.