Home / 824,552.10-1,236,698.55-291,996.90

Finding the Fourth Proportional to 824,552.10, 1,236,698.55 and 291,996.90

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Solution

The fourth proportional to 824,552.10, 1,236,698.55 and 291,996.90 is: 437,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,552.10 : 1,236,698.55 = 291,996.90 : x
  2. Step 2: Convert to fraction form
    824,552.10/1,236,698.55 = 291,996.90/x
  3. Step 3: Cross multiply
    824,552.10x = 1,236,698.55 × 291,996.90
  4. Step 4: Simplify right side
    824,552.10x = 361,112,142,834.50
  5. Step 5: Solve for x
    x = 361,112,142,834.50/824,552.10
  6. Step 6: Final answer
    x = 437,949.46

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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.