Home / 819,696.01-1,131,178.30-457,120.29

Finding the Fourth Proportional to 819,696.01, 1,131,178.30 and 457,120.29

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Solution

The fourth proportional to 819,696.01, 1,131,178.30 and 457,120.29 is: 630,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,696.01 : 1,131,178.30 = 457,120.29 : x
  2. Step 2: Convert to fraction form
    819,696.01/1,131,178.30 = 457,120.29/x
  3. Step 3: Cross multiply
    819,696.01x = 1,131,178.30 × 457,120.29
  4. Step 4: Simplify right side
    819,696.01x = 517,084,545,739.02
  5. Step 5: Solve for x
    x = 517,084,545,739.02/819,696.01
  6. Step 6: Final answer
    x = 630,824.77

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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.