Home / 935,869.15-1,291,658.23-528,086.60

Finding the Fourth Proportional to 935,869.15, 1,291,658.23 and 528,086.60

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Solution

The fourth proportional to 935,869.15, 1,291,658.23 and 528,086.60 is: 728,849.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,869.15 : 1,291,658.23 = 528,086.60 : x
  2. Step 2: Convert to fraction form
    935,869.15/1,291,658.23 = 528,086.60/x
  3. Step 3: Cross multiply
    935,869.15x = 1,291,658.23 × 528,086.60
  4. Step 4: Simplify right side
    935,869.15x = 682,107,403,042.72
  5. Step 5: Solve for x
    x = 682,107,403,042.72/935,869.15
  6. Step 6: Final answer
    x = 728,849.12

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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.