Home / 515,746.20-773,619.30-294,562.20

Finding the Fourth Proportional to 515,746.20, 773,619.30 and 294,562.20

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Solution

The fourth proportional to 515,746.20, 773,619.30 and 294,562.20 is: 441,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,746.20 : 773,619.30 = 294,562.20 : x
  2. Step 2: Convert to fraction form
    515,746.20/773,619.30 = 294,562.20/x
  3. Step 3: Cross multiply
    515,746.20x = 773,619.30 × 294,562.20
  4. Step 4: Simplify right side
    515,746.20x = 227,879,002,970.46
  5. Step 5: Solve for x
    x = 227,879,002,970.46/515,746.20
  6. Step 6: Final answer
    x = 441,843.30

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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.