Home / 839,952.18-1,159,105.14-477,369.72

Finding the Fourth Proportional to 839,952.18, 1,159,105.14 and 477,369.72

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Solution

The fourth proportional to 839,952.18, 1,159,105.14 and 477,369.72 is: 658,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,952.18 : 1,159,105.14 = 477,369.72 : x
  2. Step 2: Convert to fraction form
    839,952.18/1,159,105.14 = 477,369.72/x
  3. Step 3: Cross multiply
    839,952.18x = 1,159,105.14 × 477,369.72
  4. Step 4: Simplify right side
    839,952.18x = 553,321,696,132.36
  5. Step 5: Solve for x
    x = 553,321,696,132.36/839,952.18
  6. Step 6: Final answer
    x = 658,753.81

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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.