Home / 418,895.64-578,090.39-227,916.27

Finding the Fourth Proportional to 418,895.64, 578,090.39 and 227,916.27

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Solution

The fourth proportional to 418,895.64, 578,090.39 and 227,916.27 is: 314,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,895.64 : 578,090.39 = 227,916.27 : x
  2. Step 2: Convert to fraction form
    418,895.64/578,090.39 = 227,916.27/x
  3. Step 3: Cross multiply
    418,895.64x = 578,090.39 × 227,916.27
  4. Step 4: Simplify right side
    418,895.64x = 131,756,204,272.06
  5. Step 5: Solve for x
    x = 131,756,204,272.06/418,895.64
  6. Step 6: Final answer
    x = 314,532.29

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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.