Home / 603,664.23-832,709.73-376,916.07

Finding the Fourth Proportional to 603,664.23, 832,709.73 and 376,916.07

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Solution

The fourth proportional to 603,664.23, 832,709.73 and 376,916.07 is: 519,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,664.23 : 832,709.73 = 376,916.07 : x
  2. Step 2: Convert to fraction form
    603,664.23/832,709.73 = 376,916.07/x
  3. Step 3: Cross multiply
    603,664.23x = 832,709.73 × 376,916.07
  4. Step 4: Simplify right side
    603,664.23x = 313,861,678,882.36
  5. Step 5: Solve for x
    x = 313,861,678,882.36/603,664.23
  6. Step 6: Final answer
    x = 519,927.57

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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.