Home / 683,562.42-943,363.56-397,172.34

Finding the Fourth Proportional to 683,562.42, 943,363.56 and 397,172.34

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Solution

The fourth proportional to 683,562.42, 943,363.56 and 397,172.34 is: 548,125.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,562.42 : 943,363.56 = 397,172.34 : x
  2. Step 2: Convert to fraction form
    683,562.42/943,363.56 = 397,172.34/x
  3. Step 3: Cross multiply
    683,562.42x = 943,363.56 × 397,172.34
  4. Step 4: Simplify right side
    683,562.42x = 374,677,912,595.93
  5. Step 5: Solve for x
    x = 374,677,912,595.93/683,562.42
  6. Step 6: Final answer
    x = 548,125.38

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1.5x scale

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.