Home / 748,770.48-1,122,345.72-298,996.92

Finding the Fourth Proportional to 748,770.48, 1,122,345.72 and 298,996.92

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Solution

The fourth proportional to 748,770.48, 1,122,345.72 and 298,996.92 is: 448,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,770.48 : 1,122,345.72 = 298,996.92 : x
  2. Step 2: Convert to fraction form
    748,770.48/1,122,345.72 = 298,996.92/x
  3. Step 3: Cross multiply
    748,770.48x = 1,122,345.72 × 298,996.92
  4. Step 4: Simplify right side
    748,770.48x = 335,577,913,455.18
  5. Step 5: Solve for x
    x = 335,577,913,455.18/748,770.48
  6. Step 6: Final answer
    x = 448,171.93

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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.