Home / 672,054.15-1,008,081.23-251,275.35

Finding the Fourth Proportional to 672,054.15, 1,008,081.23 and 251,275.35

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Solution

The fourth proportional to 672,054.15, 1,008,081.23 and 251,275.35 is: 376,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,054.15 : 1,008,081.23 = 251,275.35 : x
  2. Step 2: Convert to fraction form
    672,054.15/1,008,081.23 = 251,275.35/x
  3. Step 3: Cross multiply
    672,054.15x = 1,008,081.23 × 251,275.35
  4. Step 4: Simplify right side
    672,054.15x = 253,305,963,896.68
  5. Step 5: Solve for x
    x = 253,305,963,896.68/672,054.15
  6. Step 6: Final answer
    x = 376,913.03

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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.