Home / 865,599.41-1,298,337.60-266,498.10

Finding the Fourth Proportional to 865,599.41, 1,298,337.60 and 266,498.10

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Solution

The fourth proportional to 865,599.41, 1,298,337.60 and 266,498.10 is: 399,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,599.41 : 1,298,337.60 = 266,498.10 : x
  2. Step 2: Convert to fraction form
    865,599.41/1,298,337.60 = 266,498.10/x
  3. Step 3: Cross multiply
    865,599.41x = 1,298,337.60 × 266,498.10
  4. Step 4: Simplify right side
    865,599.41x = 346,004,503,558.56
  5. Step 5: Solve for x
    x = 346,004,503,558.56/865,599.41
  6. Step 6: Final answer
    x = 399,728.21

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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.