Home / 927,531.66-1,279,703.16-519,578.40

Finding the Fourth Proportional to 927,531.66, 1,279,703.16 and 519,578.40

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Solution

The fourth proportional to 927,531.66, 1,279,703.16 and 519,578.40 is: 716,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,531.66 : 1,279,703.16 = 519,578.40 : x
  2. Step 2: Convert to fraction form
    927,531.66/1,279,703.16 = 519,578.40/x
  3. Step 3: Cross multiply
    927,531.66x = 1,279,703.16 × 519,578.40
  4. Step 4: Simplify right side
    927,531.66x = 664,906,120,347.74
  5. Step 5: Solve for x
    x = 664,906,120,347.74/927,531.66
  6. Step 6: Final answer
    x = 716,855.44

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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.