Home / 699,563.52-1,048,893.12-383,935.68

Finding the Fourth Proportional to 699,563.52, 1,048,893.12 and 383,935.68

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Solution

The fourth proportional to 699,563.52, 1,048,893.12 and 383,935.68 is: 575,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,563.52 : 1,048,893.12 = 383,935.68 : x
  2. Step 2: Convert to fraction form
    699,563.52/1,048,893.12 = 383,935.68/x
  3. Step 3: Cross multiply
    699,563.52x = 1,048,893.12 × 383,935.68
  4. Step 4: Simplify right side
    699,563.52x = 402,707,493,274.52
  5. Step 5: Solve for x
    x = 402,707,493,274.52/699,563.52
  6. Step 6: Final answer
    x = 575,655.36

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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.