Home / 784,037.88-1,082,059.56-439,930.44

Finding the Fourth Proportional to 784,037.88, 1,082,059.56 and 439,930.44

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Solution

The fourth proportional to 784,037.88, 1,082,059.56 and 439,930.44 is: 607,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,037.88 : 1,082,059.56 = 439,930.44 : x
  2. Step 2: Convert to fraction form
    784,037.88/1,082,059.56 = 439,930.44/x
  3. Step 3: Cross multiply
    784,037.88x = 1,082,059.56 × 439,930.44
  4. Step 4: Simplify right side
    784,037.88x = 476,030,938,337.01
  5. Step 5: Solve for x
    x = 476,030,938,337.01/784,037.88
  6. Step 6: Final answer
    x = 607,152.98

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1.5x scale

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.