Home / 838,696.77-1,157,414.72-456,723.24

Finding the Fourth Proportional to 838,696.77, 1,157,414.72 and 456,723.24

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Solution

The fourth proportional to 838,696.77, 1,157,414.72 and 456,723.24 is: 630,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,696.77 : 1,157,414.72 = 456,723.24 : x
  2. Step 2: Convert to fraction form
    838,696.77/1,157,414.72 = 456,723.24/x
  3. Step 3: Cross multiply
    838,696.77x = 1,157,414.72 × 456,723.24
  4. Step 4: Simplify right side
    838,696.77x = 528,618,198,658.48
  5. Step 5: Solve for x
    x = 528,618,198,658.48/838,696.77
  6. Step 6: Final answer
    x = 630,285.24

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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.