Home / 434,453.05-651,678.27-110,240.51

Finding the Fourth Proportional to 434,453.05, 651,678.27 and 110,240.51

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Solution

The fourth proportional to 434,453.05, 651,678.27 and 110,240.51 is: 165,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,453.05 : 651,678.27 = 110,240.51 : x
  2. Step 2: Convert to fraction form
    434,453.05/651,678.27 = 110,240.51/x
  3. Step 3: Cross multiply
    434,453.05x = 651,678.27 × 110,240.51
  4. Step 4: Simplify right side
    434,453.05x = 71,841,344,840.72
  5. Step 5: Solve for x
    x = 71,841,344,840.72/434,453.05
  6. Step 6: Final answer
    x = 165,360.43

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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.