Home / 935,869.65-1,291,658.92-528,087.10

Finding the Fourth Proportional to 935,869.65, 1,291,658.92 and 528,087.10

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Solution

The fourth proportional to 935,869.65, 1,291,658.92 and 528,087.10 is: 728,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,869.65 : 1,291,658.92 = 528,087.10 : x
  2. Step 2: Convert to fraction form
    935,869.65/1,291,658.92 = 528,087.10/x
  3. Step 3: Cross multiply
    935,869.65x = 1,291,658.92 × 528,087.10
  4. Step 4: Simplify right side
    935,869.65x = 682,108,413,251.93
  5. Step 5: Solve for x
    x = 682,108,413,251.93/935,869.65
  6. Step 6: Final answer
    x = 728,849.81

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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.