Home / 839,714.73-1,158,093.24-709,530.21

Finding the Fourth Proportional to 839,714.73, 1,158,093.24 and 709,530.21

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Solution

The fourth proportional to 839,714.73, 1,158,093.24 and 709,530.21 is: 978,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,714.73 : 1,158,093.24 = 709,530.21 : x
  2. Step 2: Convert to fraction form
    839,714.73/1,158,093.24 = 709,530.21/x
  3. Step 3: Cross multiply
    839,714.73x = 1,158,093.24 × 709,530.21
  4. Step 4: Simplify right side
    839,714.73x = 821,702,139,776.78
  5. Step 5: Solve for x
    x = 821,702,139,776.78/839,714.73
  6. Step 6: Final answer
    x = 978,549.16

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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.