Home / 927,764.43-1,280,293.20-545,815.77

Finding the Fourth Proportional to 927,764.43, 1,280,293.20 and 545,815.77

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Solution

The fourth proportional to 927,764.43, 1,280,293.20 and 545,815.77 is: 753,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,764.43 : 1,280,293.20 = 545,815.77 : x
  2. Step 2: Convert to fraction form
    927,764.43/1,280,293.20 = 545,815.77/x
  3. Step 3: Cross multiply
    927,764.43x = 1,280,293.20 × 545,815.77
  4. Step 4: Simplify right side
    927,764.43x = 698,804,218,783.76
  5. Step 5: Solve for x
    x = 698,804,218,783.76/927,764.43
  6. Step 6: Final answer
    x = 753,212.99

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1.5x scale

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.