Home / 683,910.99-943,914.35-397,597.15

Finding the Fourth Proportional to 683,910.99, 943,914.35 and 397,597.15

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Solution

The fourth proportional to 683,910.99, 943,914.35 and 397,597.15 is: 548,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,910.99 : 943,914.35 = 397,597.15 : x
  2. Step 2: Convert to fraction form
    683,910.99/943,914.35 = 397,597.15/x
  3. Step 3: Cross multiply
    683,910.99x = 943,914.35 × 397,597.15
  4. Step 4: Simplify right side
    683,910.99x = 375,297,651,678.52
  5. Step 5: Solve for x
    x = 375,297,651,678.52/683,910.99
  6. Step 6: Final answer
    x = 548,752.19

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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.