Home / 945,180.40-1,417,770.60-862,511.80

Finding the Fourth Proportional to 945,180.40, 1,417,770.60 and 862,511.80

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Solution

The fourth proportional to 945,180.40, 1,417,770.60 and 862,511.80 is: 1,293,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,180.40 : 1,417,770.60 = 862,511.80 : x
  2. Step 2: Convert to fraction form
    945,180.40/1,417,770.60 = 862,511.80/x
  3. Step 3: Cross multiply
    945,180.40x = 1,417,770.60 × 862,511.80
  4. Step 4: Simplify right side
    945,180.40x = 1,222,843,872,193.08
  5. Step 5: Solve for x
    x = 1,222,843,872,193.08/945,180.40
  6. Step 6: Final answer
    x = 1,293,767.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.