Home / 877,914.32-1,211,620.02-495,965.68

Finding the Fourth Proportional to 877,914.32, 1,211,620.02 and 495,965.68

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Solution

The fourth proportional to 877,914.32, 1,211,620.02 and 495,965.68 is: 684,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,914.32 : 1,211,620.02 = 495,965.68 : x
  2. Step 2: Convert to fraction form
    877,914.32/1,211,620.02 = 495,965.68/x
  3. Step 3: Cross multiply
    877,914.32x = 1,211,620.02 × 495,965.68
  4. Step 4: Simplify right side
    877,914.32x = 600,921,947,120.91
  5. Step 5: Solve for x
    x = 600,921,947,120.91/877,914.32
  6. Step 6: Final answer
    x = 684,488.15

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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.