Home / 677,293.96-934,629.75-386,848.49

Finding the Fourth Proportional to 677,293.96, 934,629.75 and 386,848.49

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Solution

The fourth proportional to 677,293.96, 934,629.75 and 386,848.49 is: 533,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,293.96 : 934,629.75 = 386,848.49 : x
  2. Step 2: Convert to fraction form
    677,293.96/934,629.75 = 386,848.49/x
  3. Step 3: Cross multiply
    677,293.96x = 934,629.75 × 386,848.49
  4. Step 4: Simplify right side
    677,293.96x = 361,560,107,778.97
  5. Step 5: Solve for x
    x = 361,560,107,778.97/677,293.96
  6. Step 6: Final answer
    x = 533,830.40

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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.