Home / 772,264.98-1,158,449.32-211,304.34

Finding the Fourth Proportional to 772,264.98, 1,158,449.32 and 211,304.34

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Solution

The fourth proportional to 772,264.98, 1,158,449.32 and 211,304.34 is: 316,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,264.98 : 1,158,449.32 = 211,304.34 : x
  2. Step 2: Convert to fraction form
    772,264.98/1,158,449.32 = 211,304.34/x
  3. Step 3: Cross multiply
    772,264.98x = 1,158,449.32 × 211,304.34
  4. Step 4: Simplify right side
    772,264.98x = 244,785,368,986.05
  5. Step 5: Solve for x
    x = 244,785,368,986.05/772,264.98
  6. Step 6: Final answer
    x = 316,970.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.