Home / 629,336.55-868,913.82-483,886.47

Finding the Fourth Proportional to 629,336.55, 868,913.82 and 483,886.47

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Solution

The fourth proportional to 629,336.55, 868,913.82 and 483,886.47 is: 668,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,336.55 : 868,913.82 = 483,886.47 : x
  2. Step 2: Convert to fraction form
    629,336.55/868,913.82 = 483,886.47/x
  3. Step 3: Cross multiply
    629,336.55x = 868,913.82 × 483,886.47
  4. Step 4: Simplify right side
    629,336.55x = 420,455,641,094.02
  5. Step 5: Solve for x
    x = 420,455,641,094.02/629,336.55
  6. Step 6: Final answer
    x = 668,093.47

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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.