Home / 1,259,242.27-1,737,703.74-686,270.14

Finding the Fourth Proportional to 1,259,242.27, 1,737,703.74 and 686,270.14

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Solution

The fourth proportional to 1,259,242.27, 1,737,703.74 and 686,270.14 is: 947,025.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,242.27 : 1,737,703.74 = 686,270.14 : x
  2. Step 2: Convert to fraction form
    1,259,242.27/1,737,703.74 = 686,270.14/x
  3. Step 3: Cross multiply
    1,259,242.27x = 1,737,703.74 × 686,270.14
  4. Step 4: Simplify right side
    1,259,242.27x = 1,192,534,188,928.32
  5. Step 5: Solve for x
    x = 1,192,534,188,928.32/1,259,242.27
  6. Step 6: Final answer
    x = 947,025.22

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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.