Home / 764,035.48-1,145,659.50-342,950.44

Finding the Fourth Proportional to 764,035.48, 1,145,659.50 and 342,950.44

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Solution

The fourth proportional to 764,035.48, 1,145,659.50 and 342,950.44 is: 514,248.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,035.48 : 1,145,659.50 = 342,950.44 : x
  2. Step 2: Convert to fraction form
    764,035.48/1,145,659.50 = 342,950.44/x
  3. Step 3: Cross multiply
    764,035.48x = 1,145,659.50 × 342,950.44
  4. Step 4: Simplify right side
    764,035.48x = 392,904,429,615.18
  5. Step 5: Solve for x
    x = 392,904,429,615.18/764,035.48
  6. Step 6: Final answer
    x = 514,248.93

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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.