Home / 935,986.03-1,291,660.48-528,084.20

Finding the Fourth Proportional to 935,986.03, 1,291,660.48 and 528,084.20

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Solution

The fourth proportional to 935,986.03, 1,291,660.48 and 528,084.20 is: 728,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,986.03 : 1,291,660.48 = 528,084.20 : x
  2. Step 2: Convert to fraction form
    935,986.03/1,291,660.48 = 528,084.20/x
  3. Step 3: Cross multiply
    935,986.03x = 1,291,660.48 × 528,084.20
  4. Step 4: Simplify right side
    935,986.03x = 682,105,491,252.42
  5. Step 5: Solve for x
    x = 682,105,491,252.42/935,986.03
  6. Step 6: Final answer
    x = 728,756.06

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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.