Home / 874,886.94-1,207,282.52-482,402.45

Finding the Fourth Proportional to 874,886.94, 1,207,282.52 and 482,402.45

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Solution

The fourth proportional to 874,886.94, 1,207,282.52 and 482,402.45 is: 665,681.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,886.94 : 1,207,282.52 = 482,402.45 : x
  2. Step 2: Convert to fraction form
    874,886.94/1,207,282.52 = 482,402.45/x
  3. Step 3: Cross multiply
    874,886.94x = 1,207,282.52 × 482,402.45
  4. Step 4: Simplify right side
    874,886.94x = 582,396,049,714.39
  5. Step 5: Solve for x
    x = 582,396,049,714.39/874,886.94
  6. Step 6: Final answer
    x = 665,681.50

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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.