Home / 1,392,653.76-1,922,204.08-849,089.28

Finding the Fourth Proportional to 1,392,653.76, 1,922,204.08 and 849,089.28

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Solution

The fourth proportional to 1,392,653.76, 1,922,204.08 and 849,089.28 is: 1,171,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,653.76 : 1,922,204.08 = 849,089.28 : x
  2. Step 2: Convert to fraction form
    1,392,653.76/1,922,204.08 = 849,089.28/x
  3. Step 3: Cross multiply
    1,392,653.76x = 1,922,204.08 × 849,089.28
  4. Step 4: Simplify right side
    1,392,653.76x = 1,632,122,886,569.89
  5. Step 5: Solve for x
    x = 1,632,122,886,569.89/1,392,653.76
  6. Step 6: Final answer
    x = 1,171,951.66

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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.