Home / 1,134,297.20-1,699,346.60-661,209.20

Finding the Fourth Proportional to 1,134,297.20, 1,699,346.60 and 661,209.20

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Solution

The fourth proportional to 1,134,297.20, 1,699,346.60 and 661,209.20 is: 990,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,297.20 : 1,699,346.60 = 661,209.20 : x
  2. Step 2: Convert to fraction form
    1,134,297.20/1,699,346.60 = 661,209.20/x
  3. Step 3: Cross multiply
    1,134,297.20x = 1,699,346.60 × 661,209.20
  4. Step 4: Simplify right side
    1,134,297.20x = 1,123,623,605,908.72
  5. Step 5: Solve for x
    x = 1,123,623,605,908.72/1,134,297.20
  6. Step 6: Final answer
    x = 990,590.13

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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.