Home / 985,170.43-1,477,770.24-650,355.31

Finding the Fourth Proportional to 985,170.43, 1,477,770.24 and 650,355.31

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Solution

The fourth proportional to 985,170.43, 1,477,770.24 and 650,355.31 is: 975,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,170.43 : 1,477,770.24 = 650,355.31 : x
  2. Step 2: Convert to fraction form
    985,170.43/1,477,770.24 = 650,355.31/x
  3. Step 3: Cross multiply
    985,170.43x = 1,477,770.24 × 650,355.31
  4. Step 4: Simplify right side
    985,170.43x = 961,075,722,543.98
  5. Step 5: Solve for x
    x = 961,075,722,543.98/985,170.43
  6. Step 6: Final answer
    x = 975,542.60

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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.