Home / 1,092,439.98-1,636,497.27-515,272.86

Finding the Fourth Proportional to 1,092,439.98, 1,636,497.27 and 515,272.86

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Solution

The fourth proportional to 1,092,439.98, 1,636,497.27 and 515,272.86 is: 771,889.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,439.98 : 1,636,497.27 = 515,272.86 : x
  2. Step 2: Convert to fraction form
    1,092,439.98/1,636,497.27 = 515,272.86/x
  3. Step 3: Cross multiply
    1,092,439.98x = 1,636,497.27 × 515,272.86
  4. Step 4: Simplify right side
    1,092,439.98x = 843,242,628,695.09
  5. Step 5: Solve for x
    x = 843,242,628,695.09/1,092,439.98
  6. Step 6: Final answer
    x = 771,889.21

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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.