Home / 1,439,030.88-2,158,170.48-427,880.56

Finding the Fourth Proportional to 1,439,030.88, 2,158,170.48 and 427,880.56

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Solution

The fourth proportional to 1,439,030.88, 2,158,170.48 and 427,880.56 is: 641,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,030.88 : 2,158,170.48 = 427,880.56 : x
  2. Step 2: Convert to fraction form
    1,439,030.88/2,158,170.48 = 427,880.56/x
  3. Step 3: Cross multiply
    1,439,030.88x = 2,158,170.48 × 427,880.56
  4. Step 4: Simplify right side
    1,439,030.88x = 923,439,193,557.87
  5. Step 5: Solve for x
    x = 923,439,193,557.87/1,439,030.88
  6. Step 6: Final answer
    x = 641,709.09

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1.5x scale

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.