Home / 1,109,917.56-1,664,230.20-435,208.02

Finding the Fourth Proportional to 1,109,917.56, 1,664,230.20 and 435,208.02

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Solution

The fourth proportional to 1,109,917.56, 1,664,230.20 and 435,208.02 is: 652,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,917.56 : 1,664,230.20 = 435,208.02 : x
  2. Step 2: Convert to fraction form
    1,109,917.56/1,664,230.20 = 435,208.02/x
  3. Step 3: Cross multiply
    1,109,917.56x = 1,664,230.20 × 435,208.02
  4. Step 4: Simplify right side
    1,109,917.56x = 724,286,330,166.20
  5. Step 5: Solve for x
    x = 724,286,330,166.20/1,109,917.56
  6. Step 6: Final answer
    x = 652,558.67

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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.