Home / 839,486.04-1,158,494.64-476,929.79

Finding the Fourth Proportional to 839,486.04, 1,158,494.64 and 476,929.79

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Solution

The fourth proportional to 839,486.04, 1,158,494.64 and 476,929.79 is: 658,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,486.04 : 1,158,494.64 = 476,929.79 : x
  2. Step 2: Convert to fraction form
    839,486.04/1,158,494.64 = 476,929.79/x
  3. Step 3: Cross multiply
    839,486.04x = 1,158,494.64 × 476,929.79
  4. Step 4: Simplify right side
    839,486.04x = 552,520,606,223.28
  5. Step 5: Solve for x
    x = 552,520,606,223.28/839,486.04
  6. Step 6: Final answer
    x = 658,165.33

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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.