Home / 456,154.10-684,231.15-444,490.10

Finding the Fourth Proportional to 456,154.10, 684,231.15 and 444,490.10

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Solution

The fourth proportional to 456,154.10, 684,231.15 and 444,490.10 is: 666,735.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,154.10 : 684,231.15 = 444,490.10 : x
  2. Step 2: Convert to fraction form
    456,154.10/684,231.15 = 444,490.10/x
  3. Step 3: Cross multiply
    456,154.10x = 684,231.15 × 444,490.10
  4. Step 4: Simplify right side
    456,154.10x = 304,133,972,286.62
  5. Step 5: Solve for x
    x = 304,133,972,286.62/456,154.10
  6. Step 6: Final answer
    x = 666,735.15

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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.