Home / 865,977.15-1,195,027.81-484,039.47

Finding the Fourth Proportional to 865,977.15, 1,195,027.81 and 484,039.47

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Solution

The fourth proportional to 865,977.15, 1,195,027.81 and 484,039.47 is: 667,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,977.15 : 1,195,027.81 = 484,039.47 : x
  2. Step 2: Convert to fraction form
    865,977.15/1,195,027.81 = 484,039.47/x
  3. Step 3: Cross multiply
    865,977.15x = 1,195,027.81 × 484,039.47
  4. Step 4: Simplify right side
    865,977.15x = 578,440,627,787.66
  5. Step 5: Solve for x
    x = 578,440,627,787.66/865,977.15
  6. Step 6: Final answer
    x = 667,962.92

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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.