Home / 1,282,991.22-1,924,914.24-430,147.26

Finding the Fourth Proportional to 1,282,991.22, 1,924,914.24 and 430,147.26

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Solution

The fourth proportional to 1,282,991.22, 1,924,914.24 and 430,147.26 is: 645,364.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,991.22 : 1,924,914.24 = 430,147.26 : x
  2. Step 2: Convert to fraction form
    1,282,991.22/1,924,914.24 = 430,147.26/x
  3. Step 3: Cross multiply
    1,282,991.22x = 1,924,914.24 × 430,147.26
  4. Step 4: Simplify right side
    1,282,991.22x = 827,996,586,070.98
  5. Step 5: Solve for x
    x = 827,996,586,070.98/1,282,991.22
  6. Step 6: Final answer
    x = 645,364.19

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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.