Home / 828,332.56-1,243,116.12-615,590.80

Finding the Fourth Proportional to 828,332.56, 1,243,116.12 and 615,590.80

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Solution

The fourth proportional to 828,332.56, 1,243,116.12 and 615,590.80 is: 923,844.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,332.56 : 1,243,116.12 = 615,590.80 : x
  2. Step 2: Convert to fraction form
    828,332.56/1,243,116.12 = 615,590.80/x
  3. Step 3: Cross multiply
    828,332.56x = 1,243,116.12 × 615,590.80
  4. Step 4: Simplify right side
    828,332.56x = 765,250,846,803.70
  5. Step 5: Solve for x
    x = 765,250,846,803.70/828,332.56
  6. Step 6: Final answer
    x = 923,844.94

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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.