Home / 855,912.81-1,182,390.01-683,604.55

Finding the Fourth Proportional to 855,912.81, 1,182,390.01 and 683,604.55

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Solution

The fourth proportional to 855,912.81, 1,182,390.01 and 683,604.55 is: 944,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,912.81 : 1,182,390.01 = 683,604.55 : x
  2. Step 2: Convert to fraction form
    855,912.81/1,182,390.01 = 683,604.55/x
  3. Step 3: Cross multiply
    855,912.81x = 1,182,390.01 × 683,604.55
  4. Step 4: Simplify right side
    855,912.81x = 808,287,190,479.52
  5. Step 5: Solve for x
    x = 808,287,190,479.52/855,912.81
  6. Step 6: Final answer
    x = 944,356.92

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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.