Home / 699,136.93-964,941.62-437,613.59

Finding the Fourth Proportional to 699,136.93, 964,941.62 and 437,613.59

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Solution

The fourth proportional to 699,136.93, 964,941.62 and 437,613.59 is: 603,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,136.93 : 964,941.62 = 437,613.59 : x
  2. Step 2: Convert to fraction form
    699,136.93/964,941.62 = 437,613.59/x
  3. Step 3: Cross multiply
    699,136.93x = 964,941.62 × 437,613.59
  4. Step 4: Simplify right side
    699,136.93x = 422,271,566,468.62
  5. Step 5: Solve for x
    x = 422,271,566,468.62/699,136.93
  6. Step 6: Final answer
    x = 603,989.79

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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.