Home / 1,184,191.36-1,634,182.92-640,325.84

Finding the Fourth Proportional to 1,184,191.36, 1,634,182.92 and 640,325.84

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Solution

The fourth proportional to 1,184,191.36, 1,634,182.92 and 640,325.84 is: 883,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,191.36 : 1,634,182.92 = 640,325.84 : x
  2. Step 2: Convert to fraction form
    1,184,191.36/1,634,182.92 = 640,325.84/x
  3. Step 3: Cross multiply
    1,184,191.36x = 1,634,182.92 × 640,325.84
  4. Step 4: Simplify right side
    1,184,191.36x = 1,046,409,550,962.65
  5. Step 5: Solve for x
    x = 1,046,409,550,962.65/1,184,191.36
  6. Step 6: Final answer
    x = 883,649.03

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Double scale
Find fourth proportional to 1,184,192.36, 1,634,184.30 and 640,326.84
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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.