Home / 1,237,654.12-1,856,482.62-339,103.48

Finding the Fourth Proportional to 1,237,654.12, 1,856,482.62 and 339,103.48

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Solution

The fourth proportional to 1,237,654.12, 1,856,482.62 and 339,103.48 is: 508,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,654.12 : 1,856,482.62 = 339,103.48 : x
  2. Step 2: Convert to fraction form
    1,237,654.12/1,856,482.62 = 339,103.48/x
  3. Step 3: Cross multiply
    1,237,654.12x = 1,856,482.62 × 339,103.48
  4. Step 4: Simplify right side
    1,237,654.12x = 629,539,717,001.52
  5. Step 5: Solve for x
    x = 629,539,717,001.52/1,237,654.12
  6. Step 6: Final answer
    x = 508,655.61

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Double scale
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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.