Home / 715,393.86-1,073,248.44-396,011.58

Finding the Fourth Proportional to 715,393.86, 1,073,248.44 and 396,011.58

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Solution

The fourth proportional to 715,393.86, 1,073,248.44 and 396,011.58 is: 594,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,393.86 : 1,073,248.44 = 396,011.58 : x
  2. Step 2: Convert to fraction form
    715,393.86/1,073,248.44 = 396,011.58/x
  3. Step 3: Cross multiply
    715,393.86x = 1,073,248.44 × 396,011.58
  4. Step 4: Simplify right side
    715,393.86x = 425,018,810,456.94
  5. Step 5: Solve for x
    x = 425,018,810,456.94/715,393.86
  6. Step 6: Final answer
    x = 594,104.64

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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.