Home / 738,471.51-1,107,707.25-233,071.80

Finding the Fourth Proportional to 738,471.51, 1,107,707.25 and 233,071.80

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Solution

The fourth proportional to 738,471.51, 1,107,707.25 and 233,071.80 is: 349,607.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,471.51 : 1,107,707.25 = 233,071.80 : x
  2. Step 2: Convert to fraction form
    738,471.51/1,107,707.25 = 233,071.80/x
  3. Step 3: Cross multiply
    738,471.51x = 1,107,707.25 × 233,071.80
  4. Step 4: Simplify right side
    738,471.51x = 258,175,322,630.55
  5. Step 5: Solve for x
    x = 258,175,322,630.55/738,471.51
  6. Step 6: Final answer
    x = 349,607.70

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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.