Home / 1,340,309.79-2,009,334.24-581,580.78

Finding the Fourth Proportional to 1,340,309.79, 2,009,334.24 and 581,580.78

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Solution

The fourth proportional to 1,340,309.79, 2,009,334.24 and 581,580.78 is: 871,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,309.79 : 2,009,334.24 = 581,580.78 : x
  2. Step 2: Convert to fraction form
    1,340,309.79/2,009,334.24 = 581,580.78/x
  3. Step 3: Cross multiply
    1,340,309.79x = 2,009,334.24 × 581,580.78
  4. Step 4: Simplify right side
    1,340,309.79x = 1,168,590,174,579.91
  5. Step 5: Solve for x
    x = 1,168,590,174,579.91/1,340,309.79
  6. Step 6: Final answer
    x = 871,880.65

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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.