Home / 612,046.94-917,135.06-256,867.20

Finding the Fourth Proportional to 612,046.94, 917,135.06 and 256,867.20

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Solution

The fourth proportional to 612,046.94, 917,135.06 and 256,867.20 is: 384,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,046.94 : 917,135.06 = 256,867.20 : x
  2. Step 2: Convert to fraction form
    612,046.94/917,135.06 = 256,867.20/x
  3. Step 3: Cross multiply
    612,046.94x = 917,135.06 × 256,867.20
  4. Step 4: Simplify right side
    612,046.94x = 235,581,913,599.70
  5. Step 5: Solve for x
    x = 235,581,913,599.70/612,046.94
  6. Step 6: Final answer
    x = 384,908.25

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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.