Home / 677,259.14-934,635.44-382,885.43

Finding the Fourth Proportional to 677,259.14, 934,635.44 and 382,885.43

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Solution

The fourth proportional to 677,259.14, 934,635.44 and 382,885.43 is: 528,391.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,259.14 : 934,635.44 = 382,885.43 : x
  2. Step 2: Convert to fraction form
    677,259.14/934,635.44 = 382,885.43/x
  3. Step 3: Cross multiply
    677,259.14x = 934,635.44 × 382,885.43
  4. Step 4: Simplify right side
    677,259.14x = 357,858,288,621.68
  5. Step 5: Solve for x
    x = 357,858,288,621.68/677,259.14
  6. Step 6: Final answer
    x = 528,391.97

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1.5x scale

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.