Home / 927,024.48-1,279,374.27-519,118.91

Finding the Fourth Proportional to 927,024.48, 1,279,374.27 and 519,118.91

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Solution

The fourth proportional to 927,024.48, 1,279,374.27 and 519,118.91 is: 716,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,024.48 : 1,279,374.27 = 519,118.91 : x
  2. Step 2: Convert to fraction form
    927,024.48/1,279,374.27 = 519,118.91/x
  3. Step 3: Cross multiply
    927,024.48x = 1,279,374.27 × 519,118.91
  4. Step 4: Simplify right side
    927,024.48x = 664,147,376,524.45
  5. Step 5: Solve for x
    x = 664,147,376,524.45/927,024.48
  6. Step 6: Final answer
    x = 716,429.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.