Home / 1,259,148.90-1,737,574.81-686,176.77

Finding the Fourth Proportional to 1,259,148.90, 1,737,574.81 and 686,176.77

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Solution

The fourth proportional to 1,259,148.90, 1,737,574.81 and 686,176.77 is: 946,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,148.90 : 1,737,574.81 = 686,176.77 : x
  2. Step 2: Convert to fraction form
    1,259,148.90/1,737,574.81 = 686,176.77/x
  3. Step 3: Cross multiply
    1,259,148.90x = 1,737,574.81 × 686,176.77
  4. Step 4: Simplify right side
    1,259,148.90x = 1,192,283,470,759.16
  5. Step 5: Solve for x
    x = 1,192,283,470,759.16/1,259,148.90
  6. Step 6: Final answer
    x = 946,896.33

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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.