Home / 753,795.45-1,130,449.86-248,236.20

Finding the Fourth Proportional to 753,795.45, 1,130,449.86 and 248,236.20

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Solution

The fourth proportional to 753,795.45, 1,130,449.86 and 248,236.20 is: 372,274.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,795.45 : 1,130,449.86 = 248,236.20 : x
  2. Step 2: Convert to fraction form
    753,795.45/1,130,449.86 = 248,236.20/x
  3. Step 3: Cross multiply
    753,795.45x = 1,130,449.86 × 248,236.20
  4. Step 4: Simplify right side
    753,795.45x = 280,618,577,536.93
  5. Step 5: Solve for x
    x = 280,618,577,536.93/753,795.45
  6. Step 6: Final answer
    x = 372,274.17

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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.