Home / 1,128,209.10-1,556,919.49-611,961.71

Finding the Fourth Proportional to 1,128,209.10, 1,556,919.49 and 611,961.71

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Solution

The fourth proportional to 1,128,209.10, 1,556,919.49 and 611,961.71 is: 844,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,209.10 : 1,556,919.49 = 611,961.71 : x
  2. Step 2: Convert to fraction form
    1,128,209.10/1,556,919.49 = 611,961.71/x
  3. Step 3: Cross multiply
    1,128,209.10x = 1,556,919.49 × 611,961.71
  4. Step 4: Simplify right side
    1,128,209.10x = 952,775,110,372.92
  5. Step 5: Solve for x
    x = 952,775,110,372.92/1,128,209.10
  6. Step 6: Final answer
    x = 844,502.24

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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.