Home / 1,133,421.90-1,699,343.72-501,993.42

Finding the Fourth Proportional to 1,133,421.90, 1,699,343.72 and 501,993.42

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Solution

The fourth proportional to 1,133,421.90, 1,699,343.72 and 501,993.42 is: 752,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,421.90 : 1,699,343.72 = 501,993.42 : x
  2. Step 2: Convert to fraction form
    1,133,421.90/1,699,343.72 = 501,993.42/x
  3. Step 3: Cross multiply
    1,133,421.90x = 1,699,343.72 × 501,993.42
  4. Step 4: Simplify right side
    1,133,421.90x = 853,059,365,758.32
  5. Step 5: Solve for x
    x = 853,059,365,758.32/1,133,421.90
  6. Step 6: Final answer
    x = 752,640.62

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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.