Home / 557,981.25-764,998.85-547,892.17

Finding the Fourth Proportional to 557,981.25, 764,998.85 and 547,892.17

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Solution

The fourth proportional to 557,981.25, 764,998.85 and 547,892.17 is: 751,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,981.25 : 764,998.85 = 547,892.17 : x
  2. Step 2: Convert to fraction form
    557,981.25/764,998.85 = 547,892.17/x
  3. Step 3: Cross multiply
    557,981.25x = 764,998.85 × 547,892.17
  4. Step 4: Simplify right side
    557,981.25x = 419,136,879,974.01
  5. Step 5: Solve for x
    x = 419,136,879,974.01/557,981.25
  6. Step 6: Final answer
    x = 751,166.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.