Home / 1,156,729.66-1,595,984.25-666,579.22

Finding the Fourth Proportional to 1,156,729.66, 1,595,984.25 and 666,579.22

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Solution

The fourth proportional to 1,156,729.66, 1,595,984.25 and 666,579.22 is: 919,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,729.66 : 1,595,984.25 = 666,579.22 : x
  2. Step 2: Convert to fraction form
    1,156,729.66/1,595,984.25 = 666,579.22/x
  3. Step 3: Cross multiply
    1,156,729.66x = 1,595,984.25 × 666,579.22
  4. Step 4: Simplify right side
    1,156,729.66x = 1,063,849,936,497.28
  5. Step 5: Solve for x
    x = 1,063,849,936,497.28/1,156,729.66
  6. Step 6: Final answer
    x = 919,704.90

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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.