Home / 768,292.74-1,060,216.16-424,121.28

Finding the Fourth Proportional to 768,292.74, 1,060,216.16 and 424,121.28

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Solution

The fourth proportional to 768,292.74, 1,060,216.16 and 424,121.28 is: 585,272.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,292.74 : 1,060,216.16 = 424,121.28 : x
  2. Step 2: Convert to fraction form
    768,292.74/1,060,216.16 = 424,121.28/x
  3. Step 3: Cross multiply
    768,292.74x = 1,060,216.16 × 424,121.28
  4. Step 4: Simplify right side
    768,292.74x = 449,660,234,855.89
  5. Step 5: Solve for x
    x = 449,660,234,855.89/768,292.74
  6. Step 6: Final answer
    x = 585,272.01

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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.