Home / 1,202,933.61-1,659,837.36-686,451.69

Finding the Fourth Proportional to 1,202,933.61, 1,659,837.36 and 686,451.69

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Solution

The fourth proportional to 1,202,933.61, 1,659,837.36 and 686,451.69 is: 947,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,933.61 : 1,659,837.36 = 686,451.69 : x
  2. Step 2: Convert to fraction form
    1,202,933.61/1,659,837.36 = 686,451.69/x
  3. Step 3: Cross multiply
    1,202,933.61x = 1,659,837.36 × 686,451.69
  4. Step 4: Simplify right side
    1,202,933.61x = 1,139,398,160,897.14
  5. Step 5: Solve for x
    x = 1,139,398,160,897.14/1,202,933.61
  6. Step 6: Final answer
    x = 947,182.91

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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.