Home / 839,837.11-1,158,262.18-709,652.56

Finding the Fourth Proportional to 839,837.11, 1,158,262.18 and 709,652.56

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Solution

The fourth proportional to 839,837.11, 1,158,262.18 and 709,652.56 is: 978,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,837.11 : 1,158,262.18 = 709,652.56 : x
  2. Step 2: Convert to fraction form
    839,837.11/1,158,262.18 = 709,652.56/x
  3. Step 3: Cross multiply
    839,837.11x = 1,158,262.18 × 709,652.56
  4. Step 4: Simplify right side
    839,837.11x = 821,963,721,188.18
  5. Step 5: Solve for x
    x = 821,963,721,188.18/839,837.11
  6. Step 6: Final answer
    x = 978,718.03

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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.