Home / 1,628,529.20-2,445,126.60-919,941.20

Finding the Fourth Proportional to 1,628,529.20, 2,445,126.60 and 919,941.20

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Solution

The fourth proportional to 1,628,529.20, 2,445,126.60 and 919,941.20 is: 1,381,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,529.20 : 2,445,126.60 = 919,941.20 : x
  2. Step 2: Convert to fraction form
    1,628,529.20/2,445,126.60 = 919,941.20/x
  3. Step 3: Cross multiply
    1,628,529.20x = 2,445,126.60 × 919,941.20
  4. Step 4: Simplify right side
    1,628,529.20x = 2,249,372,698,555.92
  5. Step 5: Solve for x
    x = 2,249,372,698,555.92/1,628,529.20
  6. Step 6: Final answer
    x = 1,381,229.58

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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.