Home / 677,062.12-1,015,461.42-256,370.92

Finding the Fourth Proportional to 677,062.12, 1,015,461.42 and 256,370.92

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Solution

The fourth proportional to 677,062.12, 1,015,461.42 and 256,370.92 is: 384,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,062.12 : 1,015,461.42 = 256,370.92 : x
  2. Step 2: Convert to fraction form
    677,062.12/1,015,461.42 = 256,370.92/x
  3. Step 3: Cross multiply
    677,062.12x = 1,015,461.42 × 256,370.92
  4. Step 4: Simplify right side
    677,062.12x = 260,334,778,469.91
  5. Step 5: Solve for x
    x = 260,334,778,469.91/677,062.12
  6. Step 6: Final answer
    x = 384,506.49

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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.