Home / 877,889.16-1,211,585.50-495,940.54

Finding the Fourth Proportional to 877,889.16, 1,211,585.50 and 495,940.54

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Solution

The fourth proportional to 877,889.16, 1,211,585.50 and 495,940.54 is: 684,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,889.16 : 1,211,585.50 = 495,940.54 : x
  2. Step 2: Convert to fraction form
    877,889.16/1,211,585.50 = 495,940.54/x
  3. Step 3: Cross multiply
    877,889.16x = 1,211,585.50 × 495,940.54
  4. Step 4: Simplify right side
    877,889.16x = 600,874,367,126.17
  5. Step 5: Solve for x
    x = 600,874,367,126.17/877,889.16
  6. Step 6: Final answer
    x = 684,453.57

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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.