Home / 450,626.49-676,095.66-261,251.46

Finding the Fourth Proportional to 450,626.49, 676,095.66 and 261,251.46

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Solution

The fourth proportional to 450,626.49, 676,095.66 and 261,251.46 is: 391,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,626.49 : 676,095.66 = 261,251.46 : x
  2. Step 2: Convert to fraction form
    450,626.49/676,095.66 = 261,251.46/x
  3. Step 3: Cross multiply
    450,626.49x = 676,095.66 × 261,251.46
  4. Step 4: Simplify right side
    450,626.49x = 176,630,978,274.66
  5. Step 5: Solve for x
    x = 176,630,978,274.66/450,626.49
  6. Step 6: Final answer
    x = 391,967.59

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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.