Home / 785,181.60-1,177,772.40-627,717.60

Finding the Fourth Proportional to 785,181.60, 1,177,772.40 and 627,717.60

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Solution

The fourth proportional to 785,181.60, 1,177,772.40 and 627,717.60 is: 941,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,181.60 : 1,177,772.40 = 627,717.60 : x
  2. Step 2: Convert to fraction form
    785,181.60/1,177,772.40 = 627,717.60/x
  3. Step 3: Cross multiply
    785,181.60x = 1,177,772.40 × 627,717.60
  4. Step 4: Simplify right side
    785,181.60x = 739,308,464,274.24
  5. Step 5: Solve for x
    x = 739,308,464,274.24/785,181.60
  6. Step 6: Final answer
    x = 941,576.40

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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.