Home / 607,919.93-839,033.68-353,418.74

Finding the Fourth Proportional to 607,919.93, 839,033.68 and 353,418.74

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Solution

The fourth proportional to 607,919.93, 839,033.68 and 353,418.74 is: 487,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,919.93 : 839,033.68 = 353,418.74 : x
  2. Step 2: Convert to fraction form
    607,919.93/839,033.68 = 353,418.74/x
  3. Step 3: Cross multiply
    607,919.93x = 839,033.68 × 353,418.74
  4. Step 4: Simplify right side
    607,919.93x = 296,530,226,003.16
  5. Step 5: Solve for x
    x = 296,530,226,003.16/607,919.93
  6. Step 6: Final answer
    x = 487,778.43

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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.