Home / 1,184,189.36-1,634,180.16-640,323.85

Finding the Fourth Proportional to 1,184,189.36, 1,634,180.16 and 640,323.85

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Solution

The fourth proportional to 1,184,189.36, 1,634,180.16 and 640,323.85 is: 883,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,189.36 : 1,634,180.16 = 640,323.85 : x
  2. Step 2: Convert to fraction form
    1,184,189.36/1,634,180.16 = 640,323.85/x
  3. Step 3: Cross multiply
    1,184,189.36x = 1,634,180.16 × 640,323.85
  4. Step 4: Simplify right side
    1,184,189.36x = 1,046,404,529,422.85
  5. Step 5: Solve for x
    x = 1,046,404,529,422.85/1,184,189.36
  6. Step 6: Final answer
    x = 883,646.29

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Double scale
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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.