Home / 829,916.20-1,244,874.30-410,012.20

Finding the Fourth Proportional to 829,916.20, 1,244,874.30 and 410,012.20

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Solution

The fourth proportional to 829,916.20, 1,244,874.30 and 410,012.20 is: 615,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,916.20 : 1,244,874.30 = 410,012.20 : x
  2. Step 2: Convert to fraction form
    829,916.20/1,244,874.30 = 410,012.20/x
  3. Step 3: Cross multiply
    829,916.20x = 1,244,874.30 × 410,012.20
  4. Step 4: Simplify right side
    829,916.20x = 510,413,650,466.46
  5. Step 5: Solve for x
    x = 510,413,650,466.46/829,916.20
  6. Step 6: Final answer
    x = 615,018.30

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