Home / 876,122.10-1,314,183.15-456,218.10

Finding the Fourth Proportional to 876,122.10, 1,314,183.15 and 456,218.10

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Solution

The fourth proportional to 876,122.10, 1,314,183.15 and 456,218.10 is: 684,327.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,122.10 : 1,314,183.15 = 456,218.10 : x
  2. Step 2: Convert to fraction form
    876,122.10/1,314,183.15 = 456,218.10/x
  3. Step 3: Cross multiply
    876,122.10x = 1,314,183.15 × 456,218.10
  4. Step 4: Simplify right side
    876,122.10x = 599,554,139,745.02
  5. Step 5: Solve for x
    x = 599,554,139,745.02/876,122.10
  6. Step 6: Final answer
    x = 684,327.15

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