Home / 976,940.20-1,465,410.30-658,075.60

Finding the Fourth Proportional to 976,940.20, 1,465,410.30 and 658,075.60

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Solution

The fourth proportional to 976,940.20, 1,465,410.30 and 658,075.60 is: 987,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,940.20 : 1,465,410.30 = 658,075.60 : x
  2. Step 2: Convert to fraction form
    976,940.20/1,465,410.30 = 658,075.60/x
  3. Step 3: Cross multiply
    976,940.20x = 1,465,410.30 × 658,075.60
  4. Step 4: Simplify right side
    976,940.20x = 964,350,762,418.68
  5. Step 5: Solve for x
    x = 964,350,762,418.68/976,940.20
  6. Step 6: Final answer
    x = 987,113.40

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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.