Home / 1,259,261.77-1,737,730.65-686,289.64

Finding the Fourth Proportional to 1,259,261.77, 1,737,730.65 and 686,289.64

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Solution

The fourth proportional to 1,259,261.77, 1,737,730.65 and 686,289.64 is: 947,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,261.77 : 1,737,730.65 = 686,289.64 : x
  2. Step 2: Convert to fraction form
    1,259,261.77/1,737,730.65 = 686,289.64/x
  3. Step 3: Cross multiply
    1,259,261.77x = 1,737,730.65 × 686,289.64
  4. Step 4: Simplify right side
    1,259,261.77x = 1,192,586,542,205.47
  5. Step 5: Solve for x
    x = 1,192,586,542,205.47/1,259,261.77
  6. Step 6: Final answer
    x = 947,052.13

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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.