Home / 1,191,669.32-1,787,570.22-392,918.60

Finding the Fourth Proportional to 1,191,669.32, 1,787,570.22 and 392,918.60

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Solution

The fourth proportional to 1,191,669.32, 1,787,570.22 and 392,918.60 is: 589,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,669.32 : 1,787,570.22 = 392,918.60 : x
  2. Step 2: Convert to fraction form
    1,191,669.32/1,787,570.22 = 392,918.60/x
  3. Step 3: Cross multiply
    1,191,669.32x = 1,787,570.22 × 392,918.60
  4. Step 4: Simplify right side
    1,191,669.32x = 702,369,588,244.09
  5. Step 5: Solve for x
    x = 702,369,588,244.09/1,191,669.32
  6. Step 6: Final answer
    x = 589,399.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.