Home / 762,712.02-1,144,076.13-230,237.46

Finding the Fourth Proportional to 762,712.02, 1,144,076.13 and 230,237.46

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Solution

The fourth proportional to 762,712.02, 1,144,076.13 and 230,237.46 is: 345,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,712.02 : 1,144,076.13 = 230,237.46 : x
  2. Step 2: Convert to fraction form
    762,712.02/1,144,076.13 = 230,237.46/x
  3. Step 3: Cross multiply
    762,712.02x = 1,144,076.13 × 230,237.46
  4. Step 4: Simplify right side
    762,712.02x = 263,409,182,217.83
  5. Step 5: Solve for x
    x = 263,409,182,217.83/762,712.02
  6. Step 6: Final answer
    x = 345,358.64

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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.