Home / 1,191,977.71-1,789,090.27-434,551.25

Finding the Fourth Proportional to 1,191,977.71, 1,789,090.27 and 434,551.25

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Solution

The fourth proportional to 1,191,977.71, 1,789,090.27 and 434,551.25 is: 652,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,977.71 : 1,789,090.27 = 434,551.25 : x
  2. Step 2: Convert to fraction form
    1,191,977.71/1,789,090.27 = 434,551.25/x
  3. Step 3: Cross multiply
    1,191,977.71x = 1,789,090.27 × 434,551.25
  4. Step 4: Simplify right side
    1,191,977.71x = 777,451,416,577.69
  5. Step 5: Solve for x
    x = 777,451,416,577.69/1,191,977.71
  6. Step 6: Final answer
    x = 652,236.54

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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.