Home / 1,011,566.20-1,517,349.30-263,612.20

Finding the Fourth Proportional to 1,011,566.20, 1,517,349.30 and 263,612.20

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Solution

The fourth proportional to 1,011,566.20, 1,517,349.30 and 263,612.20 is: 395,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,566.20 : 1,517,349.30 = 263,612.20 : x
  2. Step 2: Convert to fraction form
    1,011,566.20/1,517,349.30 = 263,612.20/x
  3. Step 3: Cross multiply
    1,011,566.20x = 1,517,349.30 × 263,612.20
  4. Step 4: Simplify right side
    1,011,566.20x = 399,991,787,141.46
  5. Step 5: Solve for x
    x = 399,991,787,141.46/1,011,566.20
  6. Step 6: Final answer
    x = 395,418.30

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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.