Home / 839,864.30-1,158,962.80-477,237.83

Finding the Fourth Proportional to 839,864.30, 1,158,962.80 and 477,237.83

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Solution

The fourth proportional to 839,864.30, 1,158,962.80 and 477,237.83 is: 658,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,864.30 : 1,158,962.80 = 477,237.83 : x
  2. Step 2: Convert to fraction form
    839,864.30/1,158,962.80 = 477,237.83/x
  3. Step 3: Cross multiply
    839,864.30x = 1,158,962.80 × 477,237.83
  4. Step 4: Simplify right side
    839,864.30x = 553,100,889,336.54
  5. Step 5: Solve for x
    x = 553,100,889,336.54/839,864.30
  6. Step 6: Final answer
    x = 658,559.83

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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.