Home / 865,604.48-1,298,433.24-296,977.66

Finding the Fourth Proportional to 865,604.48, 1,298,433.24 and 296,977.66

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Solution

The fourth proportional to 865,604.48, 1,298,433.24 and 296,977.66 is: 445,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,604.48 : 1,298,433.24 = 296,977.66 : x
  2. Step 2: Convert to fraction form
    865,604.48/1,298,433.24 = 296,977.66/x
  3. Step 3: Cross multiply
    865,604.48x = 1,298,433.24 × 296,977.66
  4. Step 4: Simplify right side
    865,604.48x = 385,605,662,035.34
  5. Step 5: Solve for x
    x = 385,605,662,035.34/865,604.48
  6. Step 6: Final answer
    x = 445,475.59

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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.