Home / 1,430,180.34-1,973,167.05-809,900.56

Finding the Fourth Proportional to 1,430,180.34, 1,973,167.05 and 809,900.56

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Solution

The fourth proportional to 1,430,180.34, 1,973,167.05 and 809,900.56 is: 1,117,389.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,180.34 : 1,973,167.05 = 809,900.56 : x
  2. Step 2: Convert to fraction form
    1,430,180.34/1,973,167.05 = 809,900.56/x
  3. Step 3: Cross multiply
    1,430,180.34x = 1,973,167.05 × 809,900.56
  4. Step 4: Simplify right side
    1,430,180.34x = 1,598,069,098,768.55
  5. Step 5: Solve for x
    x = 1,598,069,098,768.55/1,430,180.34
  6. Step 6: Final answer
    x = 1,117,389.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.