Home / 741,113.89-1,022,740.73-401,582.77

Finding the Fourth Proportional to 741,113.89, 1,022,740.73 and 401,582.77

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Solution

The fourth proportional to 741,113.89, 1,022,740.73 and 401,582.77 is: 554,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,113.89 : 1,022,740.73 = 401,582.77 : x
  2. Step 2: Convert to fraction form
    741,113.89/1,022,740.73 = 401,582.77/x
  3. Step 3: Cross multiply
    741,113.89x = 1,022,740.73 × 401,582.77
  4. Step 4: Simplify right side
    741,113.89x = 410,715,055,345.22
  5. Step 5: Solve for x
    x = 410,715,055,345.22/741,113.89
  6. Step 6: Final answer
    x = 554,186.15

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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.