Home / 1,257,992.81-1,736,012.92-714,123.84

Finding the Fourth Proportional to 1,257,992.81, 1,736,012.92 and 714,123.84

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Solution

The fourth proportional to 1,257,992.81, 1,736,012.92 and 714,123.84 is: 985,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,992.81 : 1,736,012.92 = 714,123.84 : x
  2. Step 2: Convert to fraction form
    1,257,992.81/1,736,012.92 = 714,123.84/x
  3. Step 3: Cross multiply
    1,257,992.81x = 1,736,012.92 × 714,123.84
  4. Step 4: Simplify right side
    1,257,992.81x = 1,239,728,219,787.86
  5. Step 5: Solve for x
    x = 1,239,728,219,787.86/1,257,992.81
  6. Step 6: Final answer
    x = 985,481.16

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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.