Home / 865,963.34-1,299,156.81-610,294.77

Finding the Fourth Proportional to 865,963.34, 1,299,156.81 and 610,294.77

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Solution

The fourth proportional to 865,963.34, 1,299,156.81 and 610,294.77 is: 915,591.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,963.34 : 1,299,156.81 = 610,294.77 : x
  2. Step 2: Convert to fraction form
    865,963.34/1,299,156.81 = 610,294.77/x
  3. Step 3: Cross multiply
    865,963.34x = 1,299,156.81 × 610,294.77
  4. Step 4: Simplify right side
    865,963.34x = 792,868,606,552.88
  5. Step 5: Solve for x
    x = 792,868,606,552.88/865,963.34
  6. Step 6: Final answer
    x = 915,591.42

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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.