Home / 1,236,707.09-1,706,655.95-685,458.35

Finding the Fourth Proportional to 1,236,707.09, 1,706,655.95 and 685,458.35

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Solution

The fourth proportional to 1,236,707.09, 1,706,655.95 and 685,458.35 is: 945,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,707.09 : 1,706,655.95 = 685,458.35 : x
  2. Step 2: Convert to fraction form
    1,236,707.09/1,706,655.95 = 685,458.35/x
  3. Step 3: Cross multiply
    1,236,707.09x = 1,706,655.95 × 685,458.35
  4. Step 4: Simplify right side
    1,236,707.09x = 1,169,841,559,544.11
  5. Step 5: Solve for x
    x = 1,169,841,559,544.11/1,236,707.09
  6. Step 6: Final answer
    x = 945,932.61

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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.