Home / 503,256.73-694,513.40-288,438.25

Finding the Fourth Proportional to 503,256.73, 694,513.40 and 288,438.25

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Solution

The fourth proportional to 503,256.73, 694,513.40 and 288,438.25 is: 398,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,256.73 : 694,513.40 = 288,438.25 : x
  2. Step 2: Convert to fraction form
    503,256.73/694,513.40 = 288,438.25/x
  3. Step 3: Cross multiply
    503,256.73x = 694,513.40 × 288,438.25
  4. Step 4: Simplify right side
    503,256.73x = 200,324,229,697.55
  5. Step 5: Solve for x
    x = 200,324,229,697.55/503,256.73
  6. Step 6: Final answer
    x = 398,055.74

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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.