Home / 741,210.05-1,022,869.91-401,678.30

Finding the Fourth Proportional to 741,210.05, 1,022,869.91 and 401,678.30

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Solution

The fourth proportional to 741,210.05, 1,022,869.91 and 401,678.30 is: 554,316.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,210.05 : 1,022,869.91 = 401,678.30 : x
  2. Step 2: Convert to fraction form
    741,210.05/1,022,869.91 = 401,678.30/x
  3. Step 3: Cross multiply
    741,210.05x = 1,022,869.91 × 401,678.30
  4. Step 4: Simplify right side
    741,210.05x = 410,864,639,447.21
  5. Step 5: Solve for x
    x = 410,864,639,447.21/741,210.05
  6. Step 6: Final answer
    x = 554,316.07

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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.