Home / 430,844.10-646,266.15-244,220.10

Finding the Fourth Proportional to 430,844.10, 646,266.15 and 244,220.10

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Solution

The fourth proportional to 430,844.10, 646,266.15 and 244,220.10 is: 366,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,844.10 : 646,266.15 = 244,220.10 : x
  2. Step 2: Convert to fraction form
    430,844.10/646,266.15 = 244,220.10/x
  3. Step 3: Cross multiply
    430,844.10x = 646,266.15 × 244,220.10
  4. Step 4: Simplify right side
    430,844.10x = 157,831,183,779.62
  5. Step 5: Solve for x
    x = 157,831,183,779.62/430,844.10
  6. Step 6: Final answer
    x = 366,330.15

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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.