Home / 862,707.15-1,190,395.79-500,060.13

Finding the Fourth Proportional to 862,707.15, 1,190,395.79 and 500,060.13

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Solution

The fourth proportional to 862,707.15, 1,190,395.79 and 500,060.13 is: 690,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,707.15 : 1,190,395.79 = 500,060.13 : x
  2. Step 2: Convert to fraction form
    862,707.15/1,190,395.79 = 500,060.13/x
  3. Step 3: Cross multiply
    862,707.15x = 1,190,395.79 × 500,060.13
  4. Step 4: Simplify right side
    862,707.15x = 595,269,470,998.55
  5. Step 5: Solve for x
    x = 595,269,470,998.55/862,707.15
  6. Step 6: Final answer
    x = 690,001.78

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1.5x scale

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.