Home / 932,965.64-1,287,889.83-627,219.35

Finding the Fourth Proportional to 932,965.64, 1,287,889.83 and 627,219.35

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Solution

The fourth proportional to 932,965.64, 1,287,889.83 and 627,219.35 is: 865,829.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,965.64 : 1,287,889.83 = 627,219.35 : x
  2. Step 2: Convert to fraction form
    932,965.64/1,287,889.83 = 627,219.35/x
  3. Step 3: Cross multiply
    932,965.64x = 1,287,889.83 × 627,219.35
  4. Step 4: Simplify right side
    932,965.64x = 807,789,415,604.76
  5. Step 5: Solve for x
    x = 807,789,415,604.76/932,965.64
  6. Step 6: Final answer
    x = 865,829.76

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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.