Home / 577,086.12-869,568.21-474,209.64

Finding the Fourth Proportional to 577,086.12, 869,568.21 and 474,209.64

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Solution

The fourth proportional to 577,086.12, 869,568.21 and 474,209.64 is: 714,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,086.12 : 869,568.21 = 474,209.64 : x
  2. Step 2: Convert to fraction form
    577,086.12/869,568.21 = 474,209.64/x
  3. Step 3: Cross multiply
    577,086.12x = 869,568.21 × 474,209.64
  4. Step 4: Simplify right side
    577,086.12x = 412,357,627,819.54
  5. Step 5: Solve for x
    x = 412,357,627,819.54/577,086.12
  6. Step 6: Final answer
    x = 714,551.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.