Home / 835,225.91-1,253,022.93-355,428.08

Finding the Fourth Proportional to 835,225.91, 1,253,022.93 and 355,428.08

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Solution

The fourth proportional to 835,225.91, 1,253,022.93 and 355,428.08 is: 533,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,225.91 : 1,253,022.93 = 355,428.08 : x
  2. Step 2: Convert to fraction form
    835,225.91/1,253,022.93 = 355,428.08/x
  3. Step 3: Cross multiply
    835,225.91x = 1,253,022.93 × 355,428.08
  4. Step 4: Simplify right side
    835,225.91x = 445,359,527,940.76
  5. Step 5: Solve for x
    x = 445,359,527,940.76/835,225.91
  6. Step 6: Final answer
    x = 533,220.44

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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.