Home / 927,836.88-1,280,394.06-540,628.16

Finding the Fourth Proportional to 927,836.88, 1,280,394.06 and 540,628.16

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Solution

The fourth proportional to 927,836.88, 1,280,394.06 and 540,628.16 is: 746,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,836.88 : 1,280,394.06 = 540,628.16 : x
  2. Step 2: Convert to fraction form
    927,836.88/1,280,394.06 = 540,628.16/x
  3. Step 3: Cross multiply
    927,836.88x = 1,280,394.06 × 540,628.16
  4. Step 4: Simplify right side
    927,836.88x = 692,217,084,732.73
  5. Step 5: Solve for x
    x = 692,217,084,732.73/927,836.88
  6. Step 6: Final answer
    x = 746,054.72

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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.