Home / 1,149,683.22-1,586,611.80-640,385.46

Finding the Fourth Proportional to 1,149,683.22, 1,586,611.80 and 640,385.46

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Solution

The fourth proportional to 1,149,683.22, 1,586,611.80 and 640,385.46 is: 883,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,683.22 : 1,586,611.80 = 640,385.46 : x
  2. Step 2: Convert to fraction form
    1,149,683.22/1,586,611.80 = 640,385.46/x
  3. Step 3: Cross multiply
    1,149,683.22x = 1,586,611.80 × 640,385.46
  4. Step 4: Simplify right side
    1,149,683.22x = 1,016,043,127,384.43
  5. Step 5: Solve for x
    x = 1,016,043,127,384.43/1,149,683.22
  6. Step 6: Final answer
    x = 883,759.20

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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.