Home / 907,056.43-1,251,747.27-519,863.47

Finding the Fourth Proportional to 907,056.43, 1,251,747.27 and 519,863.47

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Solution

The fourth proportional to 907,056.43, 1,251,747.27 and 519,863.47 is: 717,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,056.43 : 1,251,747.27 = 519,863.47 : x
  2. Step 2: Convert to fraction form
    907,056.43/1,251,747.27 = 519,863.47/x
  3. Step 3: Cross multiply
    907,056.43x = 1,251,747.27 × 519,863.47
  4. Step 4: Simplify right side
    907,056.43x = 650,737,679,345.23
  5. Step 5: Solve for x
    x = 650,737,679,345.23/907,056.43
  6. Step 6: Final answer
    x = 717,416.97

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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.