Home / 865,827.30-1,296,116.55-654,125.70

Finding the Fourth Proportional to 865,827.30, 1,296,116.55 and 654,125.70

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Solution

The fourth proportional to 865,827.30, 1,296,116.55 and 654,125.70 is: 979,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,827.30 : 1,296,116.55 = 654,125.70 : x
  2. Step 2: Convert to fraction form
    865,827.30/1,296,116.55 = 654,125.70/x
  3. Step 3: Cross multiply
    865,827.30x = 1,296,116.55 × 654,125.70
  4. Step 4: Simplify right side
    865,827.30x = 847,823,145,550.34
  5. Step 5: Solve for x
    x = 847,823,145,550.34/865,827.30
  6. Step 6: Final answer
    x = 979,205.84

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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.