Home / 877,884.25-1,211,578.62-495,935.64

Finding the Fourth Proportional to 877,884.25, 1,211,578.62 and 495,935.64

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Solution

The fourth proportional to 877,884.25, 1,211,578.62 and 495,935.64 is: 684,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,884.25 : 1,211,578.62 = 495,935.64 : x
  2. Step 2: Convert to fraction form
    877,884.25/1,211,578.62 = 495,935.64/x
  3. Step 3: Cross multiply
    877,884.25x = 1,211,578.62 × 495,935.64
  4. Step 4: Simplify right side
    877,884.25x = 600,865,018,320.02
  5. Step 5: Solve for x
    x = 600,865,018,320.02/877,884.25
  6. Step 6: Final answer
    x = 684,446.75

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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.