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Finding the Fourth Proportional to 922,074, 1,272,552.83 and 559,469.40

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Solution

The fourth proportional to 922,074, 1,272,552.83 and 559,469.40 is: 772,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,074 : 1,272,552.83 = 559,469.40 : x
  2. Step 2: Convert to fraction form
    922,074/1,272,552.83 = 559,469.40/x
  3. Step 3: Cross multiply
    922,074x = 1,272,552.83 × 559,469.40
  4. Step 4: Simplify right side
    922,074x = 711,954,368,268.40
  5. Step 5: Solve for x
    x = 711,954,368,268.40/922,074
  6. Step 6: Final answer
    x = 772,122.81

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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.