Home / 947,613.94-1,307,709.57-517,899.22

Finding the Fourth Proportional to 947,613.94, 1,307,709.57 and 517,899.22

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Solution

The fourth proportional to 947,613.94, 1,307,709.57 and 517,899.22 is: 714,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,613.94 : 1,307,709.57 = 517,899.22 : x
  2. Step 2: Convert to fraction form
    947,613.94/1,307,709.57 = 517,899.22/x
  3. Step 3: Cross multiply
    947,613.94x = 1,307,709.57 × 517,899.22
  4. Step 4: Simplify right side
    947,613.94x = 677,261,766,289.54
  5. Step 5: Solve for x
    x = 677,261,766,289.54/947,613.94
  6. Step 6: Final answer
    x = 714,702.20

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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.