Home / 927,880.83-1,280,414.91-545,833.80

Finding the Fourth Proportional to 927,880.83, 1,280,414.91 and 545,833.80

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Solution

The fourth proportional to 927,880.83, 1,280,414.91 and 545,833.80 is: 753,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,880.83 : 1,280,414.91 = 545,833.80 : x
  2. Step 2: Convert to fraction form
    927,880.83/1,280,414.91 = 545,833.80/x
  3. Step 3: Cross multiply
    927,880.83x = 1,280,414.91 × 545,833.80
  4. Step 4: Simplify right side
    927,880.83x = 698,893,735,901.96
  5. Step 5: Solve for x
    x = 698,893,735,901.96/927,880.83
  6. Step 6: Final answer
    x = 753,214.97

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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.