Home / 1,259,259.27-1,737,727.20-686,287.14

Finding the Fourth Proportional to 1,259,259.27, 1,737,727.20 and 686,287.14

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Solution

The fourth proportional to 1,259,259.27, 1,737,727.20 and 686,287.14 is: 947,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,259.27 : 1,737,727.20 = 686,287.14 : x
  2. Step 2: Convert to fraction form
    1,259,259.27/1,737,727.20 = 686,287.14/x
  3. Step 3: Cross multiply
    1,259,259.27x = 1,737,727.20 × 686,287.14
  4. Step 4: Simplify right side
    1,259,259.27x = 1,192,579,830,188.21
  5. Step 5: Solve for x
    x = 1,192,579,830,188.21/1,259,259.27
  6. Step 6: Final answer
    x = 947,048.68

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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.