Home / 739,254.13-1,108,713.96-339,510.62

Finding the Fourth Proportional to 739,254.13, 1,108,713.96 and 339,510.62

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Solution

The fourth proportional to 739,254.13, 1,108,713.96 and 339,510.62 is: 509,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,254.13 : 1,108,713.96 = 339,510.62 : x
  2. Step 2: Convert to fraction form
    739,254.13/1,108,713.96 = 339,510.62/x
  3. Step 3: Cross multiply
    739,254.13x = 1,108,713.96 × 339,510.62
  4. Step 4: Simplify right side
    739,254.13x = 376,420,166,734.04
  5. Step 5: Solve for x
    x = 376,420,166,734.04/739,254.13
  6. Step 6: Final answer
    x = 509,189.13

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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.