Home / 697,662.20-1,045,418.10-519,332.60

Finding the Fourth Proportional to 697,662.20, 1,045,418.10 and 519,332.60

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Solution

The fourth proportional to 697,662.20, 1,045,418.10 and 519,332.60 is: 778,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,662.20 : 1,045,418.10 = 519,332.60 : x
  2. Step 2: Convert to fraction form
    697,662.20/1,045,418.10 = 519,332.60/x
  3. Step 3: Cross multiply
    697,662.20x = 1,045,418.10 × 519,332.60
  4. Step 4: Simplify right side
    697,662.20x = 542,919,699,960.06
  5. Step 5: Solve for x
    x = 542,919,699,960.06/697,662.20
  6. Step 6: Final answer
    x = 778,198.53

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1.5x scale

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.