Home / 700,940.80-1,052,102.40-346,355.20

Finding the Fourth Proportional to 700,940.80, 1,052,102.40 and 346,355.20

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Solution

The fourth proportional to 700,940.80, 1,052,102.40 and 346,355.20 is: 519,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,940.80 : 1,052,102.40 = 346,355.20 : x
  2. Step 2: Convert to fraction form
    700,940.80/1,052,102.40 = 346,355.20/x
  3. Step 3: Cross multiply
    700,940.80x = 1,052,102.40 × 346,355.20
  4. Step 4: Simplify right side
    700,940.80x = 364,401,137,172.48
  5. Step 5: Solve for x
    x = 364,401,137,172.48/700,940.80
  6. Step 6: Final answer
    x = 519,874.34

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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.