Home / 966,420.88-1,450,112.92-434,322.32

Finding the Fourth Proportional to 966,420.88, 1,450,112.92 and 434,322.32

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Solution

The fourth proportional to 966,420.88, 1,450,112.92 and 434,322.32 is: 651,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,420.88 : 1,450,112.92 = 434,322.32 : x
  2. Step 2: Convert to fraction form
    966,420.88/1,450,112.92 = 434,322.32/x
  3. Step 3: Cross multiply
    966,420.88x = 1,450,112.92 × 434,322.32
  4. Step 4: Simplify right side
    966,420.88x = 629,816,407,676.37
  5. Step 5: Solve for x
    x = 629,816,407,676.37/966,420.88
  6. Step 6: Final answer
    x = 651,699.92

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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.