Home / 865,112.07-1,295,858.57-695,715.15

Finding the Fourth Proportional to 865,112.07, 1,295,858.57 and 695,715.15

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Solution

The fourth proportional to 865,112.07, 1,295,858.57 and 695,715.15 is: 1,042,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,112.07 : 1,295,858.57 = 695,715.15 : x
  2. Step 2: Convert to fraction form
    865,112.07/1,295,858.57 = 695,715.15/x
  3. Step 3: Cross multiply
    865,112.07x = 1,295,858.57 × 695,715.15
  4. Step 4: Simplify right side
    865,112.07x = 901,548,435,927.76
  5. Step 5: Solve for x
    x = 901,548,435,927.76/865,112.07
  6. Step 6: Final answer
    x = 1,042,117.51

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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.