Home / 768,216.34-1,060,138.73-424,052.46

Finding the Fourth Proportional to 768,216.34, 1,060,138.73 and 424,052.46

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Solution

The fourth proportional to 768,216.34, 1,060,138.73 and 424,052.46 is: 585,192.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,216.34 : 1,060,138.73 = 424,052.46 : x
  2. Step 2: Convert to fraction form
    768,216.34/1,060,138.73 = 424,052.46/x
  3. Step 3: Cross multiply
    768,216.34x = 1,060,138.73 × 424,052.46
  4. Step 4: Simplify right side
    768,216.34x = 449,554,434,476.27
  5. Step 5: Solve for x
    x = 449,554,434,476.27/768,216.34
  6. Step 6: Final answer
    x = 585,192.50

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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.