Home / 747,018.63-1,120,537.68-248,382.63

Finding the Fourth Proportional to 747,018.63, 1,120,537.68 and 248,382.63

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Solution

The fourth proportional to 747,018.63, 1,120,537.68 and 248,382.63 is: 372,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,018.63 : 1,120,537.68 = 248,382.63 : x
  2. Step 2: Convert to fraction form
    747,018.63/1,120,537.68 = 248,382.63/x
  3. Step 3: Cross multiply
    747,018.63x = 1,120,537.68 × 248,382.63
  4. Step 4: Simplify right side
    747,018.63x = 278,322,095,972.50
  5. Step 5: Solve for x
    x = 278,322,095,972.50/747,018.63
  6. Step 6: Final answer
    x = 372,577.18

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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.