Home / 1,205,492.37-1,808,238.47-939,451.92

Finding the Fourth Proportional to 1,205,492.37, 1,808,238.47 and 939,451.92

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Solution

The fourth proportional to 1,205,492.37, 1,808,238.47 and 939,451.92 is: 1,409,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,492.37 : 1,808,238.47 = 939,451.92 : x
  2. Step 2: Convert to fraction form
    1,205,492.37/1,808,238.47 = 939,451.92/x
  3. Step 3: Cross multiply
    1,205,492.37x = 1,808,238.47 × 939,451.92
  4. Step 4: Simplify right side
    1,205,492.37x = 1,698,753,097,762.10
  5. Step 5: Solve for x
    x = 1,698,753,097,762.10/1,205,492.37
  6. Step 6: Final answer
    x = 1,409,177.81

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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.