Home / 827,150.70-1,240,726.05-328,514.70

Finding the Fourth Proportional to 827,150.70, 1,240,726.05 and 328,514.70

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Solution

The fourth proportional to 827,150.70, 1,240,726.05 and 328,514.70 is: 492,772.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,150.70 : 1,240,726.05 = 328,514.70 : x
  2. Step 2: Convert to fraction form
    827,150.70/1,240,726.05 = 328,514.70/x
  3. Step 3: Cross multiply
    827,150.70x = 1,240,726.05 × 328,514.70
  4. Step 4: Simplify right side
    827,150.70x = 407,596,746,097.94
  5. Step 5: Solve for x
    x = 407,596,746,097.94/827,150.70
  6. Step 6: Final answer
    x = 492,772.05

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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.