Home / 839,669.05-1,158,743.33-457,695.84

Finding the Fourth Proportional to 839,669.05, 1,158,743.33 and 457,695.84

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Solution

The fourth proportional to 839,669.05, 1,158,743.33 and 457,695.84 is: 631,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,669.05 : 1,158,743.33 = 457,695.84 : x
  2. Step 2: Convert to fraction form
    839,669.05/1,158,743.33 = 457,695.84/x
  3. Step 3: Cross multiply
    839,669.05x = 1,158,743.33 × 457,695.84
  4. Step 4: Simplify right side
    839,669.05x = 530,352,001,768.75
  5. Step 5: Solve for x
    x = 530,352,001,768.75/839,669.05
  6. Step 6: Final answer
    x = 631,620.28

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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.