Home / 927,874.83-1,280,406.65-545,827.80

Finding the Fourth Proportional to 927,874.83, 1,280,406.65 and 545,827.80

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Solution

The fourth proportional to 927,874.83, 1,280,406.65 and 545,827.80 is: 753,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,874.83 : 1,280,406.65 = 545,827.80 : x
  2. Step 2: Convert to fraction form
    927,874.83/1,280,406.65 = 545,827.80/x
  3. Step 3: Cross multiply
    927,874.83x = 1,280,406.65 × 545,827.80
  4. Step 4: Simplify right side
    927,874.83x = 698,881,542,145.73
  5. Step 5: Solve for x
    x = 698,881,542,145.73/927,874.83
  6. Step 6: Final answer
    x = 753,206.70

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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.