Home / 683,122.40-1,025,339.70-346,543.10

Finding the Fourth Proportional to 683,122.40, 1,025,339.70 and 346,543.10

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Solution

The fourth proportional to 683,122.40, 1,025,339.70 and 346,543.10 is: 520,147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,122.40 : 1,025,339.70 = 346,543.10 : x
  2. Step 2: Convert to fraction form
    683,122.40/1,025,339.70 = 346,543.10/x
  3. Step 3: Cross multiply
    683,122.40x = 1,025,339.70 × 346,543.10
  4. Step 4: Simplify right side
    683,122.40x = 355,324,398,191.07
  5. Step 5: Solve for x
    x = 355,324,398,191.07/683,122.40
  6. Step 6: Final answer
    x = 520,147.48

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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.