Home / 668,360.06-922,395.20-366,612.38

Finding the Fourth Proportional to 668,360.06, 922,395.20 and 366,612.38

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Solution

The fourth proportional to 668,360.06, 922,395.20 and 366,612.38 is: 505,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,360.06 : 922,395.20 = 366,612.38 : x
  2. Step 2: Convert to fraction form
    668,360.06/922,395.20 = 366,612.38/x
  3. Step 3: Cross multiply
    668,360.06x = 922,395.20 × 366,612.38
  4. Step 4: Simplify right side
    668,360.06x = 338,161,493,127.54
  5. Step 5: Solve for x
    x = 338,161,493,127.54/668,360.06
  6. Step 6: Final answer
    x = 505,957.07

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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.