Home / 739,134.20-1,108,442.10-384,030.20

Finding the Fourth Proportional to 739,134.20, 1,108,442.10 and 384,030.20

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Solution

The fourth proportional to 739,134.20, 1,108,442.10 and 384,030.20 is: 575,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,134.20 : 1,108,442.10 = 384,030.20 : x
  2. Step 2: Convert to fraction form
    739,134.20/1,108,442.10 = 384,030.20/x
  3. Step 3: Cross multiply
    739,134.20x = 1,108,442.10 × 384,030.20
  4. Step 4: Simplify right side
    739,134.20x = 425,675,241,351.42
  5. Step 5: Solve for x
    x = 425,675,241,351.42/739,134.20
  6. Step 6: Final answer
    x = 575,910.63

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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.