Home / 773,040.80-1,158,178.80-662,448.80

Finding the Fourth Proportional to 773,040.80, 1,158,178.80 and 662,448.80

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Solution

The fourth proportional to 773,040.80, 1,158,178.80 and 662,448.80 is: 992,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,040.80 : 1,158,178.80 = 662,448.80 : x
  2. Step 2: Convert to fraction form
    773,040.80/1,158,178.80 = 662,448.80/x
  3. Step 3: Cross multiply
    773,040.80x = 1,158,178.80 × 662,448.80
  4. Step 4: Simplify right side
    773,040.80x = 767,234,156,245.44
  5. Step 5: Solve for x
    x = 767,234,156,245.44/773,040.80
  6. Step 6: Final answer
    x = 992,488.57

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1.5x scale

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.