Home / 969,985.71-1,338,443.15-550,867.23

Finding the Fourth Proportional to 969,985.71, 1,338,443.15 and 550,867.23

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Solution

The fourth proportional to 969,985.71, 1,338,443.15 and 550,867.23 is: 760,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,985.71 : 1,338,443.15 = 550,867.23 : x
  2. Step 2: Convert to fraction form
    969,985.71/1,338,443.15 = 550,867.23/x
  3. Step 3: Cross multiply
    969,985.71x = 1,338,443.15 × 550,867.23
  4. Step 4: Simplify right side
    969,985.71x = 737,304,467,798.64
  5. Step 5: Solve for x
    x = 737,304,467,798.64/969,985.71
  6. Step 6: Final answer
    x = 760,118.90

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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.