Home / 1,184,403.87-1,634,472.59-640,540.22

Finding the Fourth Proportional to 1,184,403.87, 1,634,472.59 and 640,540.22

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Solution

The fourth proportional to 1,184,403.87, 1,634,472.59 and 640,540.22 is: 883,942.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,403.87 : 1,634,472.59 = 640,540.22 : x
  2. Step 2: Convert to fraction form
    1,184,403.87/1,634,472.59 = 640,540.22/x
  3. Step 3: Cross multiply
    1,184,403.87x = 1,634,472.59 × 640,540.22
  4. Step 4: Simplify right side
    1,184,403.87x = 1,046,945,421,007.51
  5. Step 5: Solve for x
    x = 1,046,945,421,007.51/1,184,403.87
  6. Step 6: Final answer
    x = 883,942.92

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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.