Home / 859,549.82-1,186,185.78-537,446.64

Finding the Fourth Proportional to 859,549.82, 1,186,185.78 and 537,446.64

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Solution

The fourth proportional to 859,549.82, 1,186,185.78 and 537,446.64 is: 741,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,549.82 : 1,186,185.78 = 537,446.64 : x
  2. Step 2: Convert to fraction form
    859,549.82/1,186,185.78 = 537,446.64/x
  3. Step 3: Cross multiply
    859,549.82x = 1,186,185.78 × 537,446.64
  4. Step 4: Simplify right side
    859,549.82x = 637,511,561,876.78
  5. Step 5: Solve for x
    x = 637,511,561,876.78/859,549.82
  6. Step 6: Final answer
    x = 741,680.76

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Double scale
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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.