Home / 1,675,979.64-2,514,978.18-611,112.60

Finding the Fourth Proportional to 1,675,979.64, 2,514,978.18 and 611,112.60

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Solution

The fourth proportional to 1,675,979.64, 2,514,978.18 and 611,112.60 is: 917,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,979.64 : 2,514,978.18 = 611,112.60 : x
  2. Step 2: Convert to fraction form
    1,675,979.64/2,514,978.18 = 611,112.60/x
  3. Step 3: Cross multiply
    1,675,979.64x = 2,514,978.18 × 611,112.60
  4. Step 4: Simplify right side
    1,675,979.64x = 1,536,934,854,523.07
  5. Step 5: Solve for x
    x = 1,536,934,854,523.07/1,675,979.64
  6. Step 6: Final answer
    x = 917,036.71

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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.