Home / 417,948.84-576,916.56-248,181.78

Finding the Fourth Proportional to 417,948.84, 576,916.56 and 248,181.78

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Solution

The fourth proportional to 417,948.84, 576,916.56 and 248,181.78 is: 342,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,948.84 : 576,916.56 = 248,181.78 : x
  2. Step 2: Convert to fraction form
    417,948.84/576,916.56 = 248,181.78/x
  3. Step 3: Cross multiply
    417,948.84x = 576,916.56 × 248,181.78
  4. Step 4: Simplify right side
    417,948.84x = 143,180,178,772.28
  5. Step 5: Solve for x
    x = 143,180,178,772.28/417,948.84
  6. Step 6: Final answer
    x = 342,578.24

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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.