Home / 664,256.84-996,916.62-348,899.72

Finding the Fourth Proportional to 664,256.84, 996,916.62 and 348,899.72

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Solution

The fourth proportional to 664,256.84, 996,916.62 and 348,899.72 is: 523,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,256.84 : 996,916.62 = 348,899.72 : x
  2. Step 2: Convert to fraction form
    664,256.84/996,916.62 = 348,899.72/x
  3. Step 3: Cross multiply
    664,256.84x = 996,916.62 × 348,899.72
  4. Step 4: Simplify right side
    664,256.84x = 347,823,929,581.35
  5. Step 5: Solve for x
    x = 347,823,929,581.35/664,256.84
  6. Step 6: Final answer
    x = 523,628.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.