Home / 839,497.20-1,259,245.74-208,411.01

Finding the Fourth Proportional to 839,497.20, 1,259,245.74 and 208,411.01

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Solution

The fourth proportional to 839,497.20, 1,259,245.74 and 208,411.01 is: 312,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,497.20 : 1,259,245.74 = 208,411.01 : x
  2. Step 2: Convert to fraction form
    839,497.20/1,259,245.74 = 208,411.01/x
  3. Step 3: Cross multiply
    839,497.20x = 1,259,245.74 × 208,411.01
  4. Step 4: Simplify right side
    839,497.20x = 262,440,675,719.08
  5. Step 5: Solve for x
    x = 262,440,675,719.08/839,497.20
  6. Step 6: Final answer
    x = 312,616.50

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Double scale
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Similar ratio
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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.