Home / 627,748.80-941,623.20-579,825.60

Finding the Fourth Proportional to 627,748.80, 941,623.20 and 579,825.60

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Solution

The fourth proportional to 627,748.80, 941,623.20 and 579,825.60 is: 869,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,748.80 : 941,623.20 = 579,825.60 : x
  2. Step 2: Convert to fraction form
    627,748.80/941,623.20 = 579,825.60/x
  3. Step 3: Cross multiply
    627,748.80x = 941,623.20 × 579,825.60
  4. Step 4: Simplify right side
    627,748.80x = 545,977,236,913.92
  5. Step 5: Solve for x
    x = 545,977,236,913.92/627,748.80
  6. Step 6: Final answer
    x = 869,738.40

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1.5x scale

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.