Home / 415,124.12-572,885.34-245,503.64

Finding the Fourth Proportional to 415,124.12, 572,885.34 and 245,503.64

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Solution

The fourth proportional to 415,124.12, 572,885.34 and 245,503.64 is: 338,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,124.12 : 572,885.34 = 245,503.64 : x
  2. Step 2: Convert to fraction form
    415,124.12/572,885.34 = 245,503.64/x
  3. Step 3: Cross multiply
    415,124.12x = 572,885.34 × 245,503.64
  4. Step 4: Simplify right side
    415,124.12x = 140,645,436,272.64
  5. Step 5: Solve for x
    x = 140,645,436,272.64/415,124.12
  6. Step 6: Final answer
    x = 338,803.33

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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.