Home / 736,287.32-1,016,153.30-449,998.09

Finding the Fourth Proportional to 736,287.32, 1,016,153.30 and 449,998.09

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Solution

The fourth proportional to 736,287.32, 1,016,153.30 and 449,998.09 is: 621,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,287.32 : 1,016,153.30 = 449,998.09 : x
  2. Step 2: Convert to fraction form
    736,287.32/1,016,153.30 = 449,998.09/x
  3. Step 3: Cross multiply
    736,287.32x = 1,016,153.30 × 449,998.09
  4. Step 4: Simplify right side
    736,287.32x = 457,267,042,731.81
  5. Step 5: Solve for x
    x = 457,267,042,731.81/736,287.32
  6. Step 6: Final answer
    x = 621,044.30

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.