Home / 1,109,953.80-1,664,201.70-435,628.80

Finding the Fourth Proportional to 1,109,953.80, 1,664,201.70 and 435,628.80

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Solution

The fourth proportional to 1,109,953.80, 1,664,201.70 and 435,628.80 is: 653,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,953.80 : 1,664,201.70 = 435,628.80 : x
  2. Step 2: Convert to fraction form
    1,109,953.80/1,664,201.70 = 435,628.80/x
  3. Step 3: Cross multiply
    1,109,953.80x = 1,664,201.70 × 435,628.80
  4. Step 4: Simplify right side
    1,109,953.80x = 724,974,189,528.96
  5. Step 5: Solve for x
    x = 724,974,189,528.96/1,109,953.80
  6. Step 6: Final answer
    x = 653,157.09

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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.