Home / 839,960.93-1,159,117.22-477,378.47

Finding the Fourth Proportional to 839,960.93, 1,159,117.22 and 477,378.47

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Solution

The fourth proportional to 839,960.93, 1,159,117.22 and 477,378.47 is: 658,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,960.93 : 1,159,117.22 = 477,378.47 : x
  2. Step 2: Convert to fraction form
    839,960.93/1,159,117.22 = 477,378.47/x
  3. Step 3: Cross multiply
    839,960.93x = 1,159,117.22 × 477,378.47
  4. Step 4: Simplify right side
    839,960.93x = 553,337,602,647.36
  5. Step 5: Solve for x
    x = 553,337,602,647.36/839,960.93
  6. Step 6: Final answer
    x = 658,765.88

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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.