Home / 1,149,750.88-1,586,705.28-640,453.60

Finding the Fourth Proportional to 1,149,750.88, 1,586,705.28 and 640,453.60

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Solution

The fourth proportional to 1,149,750.88, 1,586,705.28 and 640,453.60 is: 883,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,750.88 : 1,586,705.28 = 640,453.60 : x
  2. Step 2: Convert to fraction form
    1,149,750.88/1,586,705.28 = 640,453.60/x
  3. Step 3: Cross multiply
    1,149,750.88x = 1,586,705.28 × 640,453.60
  4. Step 4: Simplify right side
    1,149,750.88x = 1,016,211,108,715.01
  5. Step 5: Solve for x
    x = 1,016,211,108,715.01/1,149,750.88
  6. Step 6: Final answer
    x = 883,853.30

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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.