Home / 839,867.80-1,158,967.62-477,241.33

Finding the Fourth Proportional to 839,867.80, 1,158,967.62 and 477,241.33

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Solution

The fourth proportional to 839,867.80, 1,158,967.62 and 477,241.33 is: 658,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,867.80 : 1,158,967.62 = 477,241.33 : x
  2. Step 2: Convert to fraction form
    839,867.80/1,158,967.62 = 477,241.33/x
  3. Step 3: Cross multiply
    839,867.80x = 1,158,967.62 × 477,241.33
  4. Step 4: Simplify right side
    839,867.80x = 553,107,248,395.74
  5. Step 5: Solve for x
    x = 553,107,248,395.74/839,867.80
  6. Step 6: Final answer
    x = 658,564.66

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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.