Home / 916,797.30-1,265,116.92-508,867.08

Finding the Fourth Proportional to 916,797.30, 1,265,116.92 and 508,867.08

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Solution

The fourth proportional to 916,797.30, 1,265,116.92 and 508,867.08 is: 702,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,797.30 : 1,265,116.92 = 508,867.08 : x
  2. Step 2: Convert to fraction form
    916,797.30/1,265,116.92 = 508,867.08/x
  3. Step 3: Cross multiply
    916,797.30x = 1,265,116.92 × 508,867.08
  4. Step 4: Simplify right side
    916,797.30x = 643,776,352,938.99
  5. Step 5: Solve for x
    x = 643,776,352,938.99/916,797.30
  6. Step 6: Final answer
    x = 702,201.41

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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.