Home / 884,321.80-1,325,121.90-658,623.40

Finding the Fourth Proportional to 884,321.80, 1,325,121.90 and 658,623.40

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Solution

The fourth proportional to 884,321.80, 1,325,121.90 and 658,623.40 is: 986,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,321.80 : 1,325,121.90 = 658,623.40 : x
  2. Step 2: Convert to fraction form
    884,321.80/1,325,121.90 = 658,623.40/x
  3. Step 3: Cross multiply
    884,321.80x = 1,325,121.90 × 658,623.40
  4. Step 4: Simplify right side
    884,321.80x = 872,756,291,192.46
  5. Step 5: Solve for x
    x = 872,756,291,192.46/884,321.80
  6. Step 6: Final answer
    x = 986,921.61

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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.