Home / 835,101.17-1,253,281.49-611,039.69

Finding the Fourth Proportional to 835,101.17, 1,253,281.49 and 611,039.69

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Solution

The fourth proportional to 835,101.17, 1,253,281.49 and 611,039.69 is: 917,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,101.17 : 1,253,281.49 = 611,039.69 : x
  2. Step 2: Convert to fraction form
    835,101.17/1,253,281.49 = 611,039.69/x
  3. Step 3: Cross multiply
    835,101.17x = 1,253,281.49 × 611,039.69
  4. Step 4: Simplify right side
    835,101.17x = 765,804,733,132.34
  5. Step 5: Solve for x
    x = 765,804,733,132.34/835,101.17
  6. Step 6: Final answer
    x = 917,020.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.