Home / 814,916.30-1,124,655.64-475,493.90

Finding the Fourth Proportional to 814,916.30, 1,124,655.64 and 475,493.90

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Solution

The fourth proportional to 814,916.30, 1,124,655.64 and 475,493.90 is: 656,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,916.30 : 1,124,655.64 = 475,493.90 : x
  2. Step 2: Convert to fraction form
    814,916.30/1,124,655.64 = 475,493.90/x
  3. Step 3: Cross multiply
    814,916.30x = 1,124,655.64 × 475,493.90
  4. Step 4: Simplify right side
    814,916.30x = 534,766,889,608.58
  5. Step 5: Solve for x
    x = 534,766,889,608.58/814,916.30
  6. Step 6: Final answer
    x = 656,223.09

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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.