Home / 935,942.66-1,291,601.12-528,130.95

Finding the Fourth Proportional to 935,942.66, 1,291,601.12 and 528,130.95

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Solution

The fourth proportional to 935,942.66, 1,291,601.12 and 528,130.95 is: 728,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,942.66 : 1,291,601.12 = 528,130.95 : x
  2. Step 2: Convert to fraction form
    935,942.66/1,291,601.12 = 528,130.95/x
  3. Step 3: Cross multiply
    935,942.66x = 1,291,601.12 × 528,130.95
  4. Step 4: Simplify right side
    935,942.66x = 682,134,526,526.66
  5. Step 5: Solve for x
    x = 682,134,526,526.66/935,942.66
  6. Step 6: Final answer
    x = 728,820.85

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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.