Home / 865,976.15-1,195,026.43-484,038.47

Finding the Fourth Proportional to 865,976.15, 1,195,026.43 and 484,038.47

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Solution

The fourth proportional to 865,976.15, 1,195,026.43 and 484,038.47 is: 667,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,976.15 : 1,195,026.43 = 484,038.47 : x
  2. Step 2: Convert to fraction form
    865,976.15/1,195,026.43 = 484,038.47/x
  3. Step 3: Cross multiply
    865,976.15x = 1,195,026.43 × 484,038.47
  4. Step 4: Simplify right side
    865,976.15x = 578,438,764,786.76
  5. Step 5: Solve for x
    x = 578,438,764,786.76/865,976.15
  6. Step 6: Final answer
    x = 667,961.54

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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.