Home / 1,186,993.16-1,779,245.58-438,561.80

Finding the Fourth Proportional to 1,186,993.16, 1,779,245.58 and 438,561.80

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Solution

The fourth proportional to 1,186,993.16, 1,779,245.58 and 438,561.80 is: 657,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,993.16 : 1,779,245.58 = 438,561.80 : x
  2. Step 2: Convert to fraction form
    1,186,993.16/1,779,245.58 = 438,561.80/x
  3. Step 3: Cross multiply
    1,186,993.16x = 1,779,245.58 × 438,561.80
  4. Step 4: Simplify right side
    1,186,993.16x = 780,309,144,206.84
  5. Step 5: Solve for x
    x = 780,309,144,206.84/1,186,993.16
  6. Step 6: Final answer
    x = 657,383.02

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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.