Home / 805,688.37-1,111,850.35-443,136.83

Finding the Fourth Proportional to 805,688.37, 1,111,850.35 and 443,136.83

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Solution

The fourth proportional to 805,688.37, 1,111,850.35 and 443,136.83 is: 611,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,688.37 : 1,111,850.35 = 443,136.83 : x
  2. Step 2: Convert to fraction form
    805,688.37/1,111,850.35 = 443,136.83/x
  3. Step 3: Cross multiply
    805,688.37x = 1,111,850.35 × 443,136.83
  4. Step 4: Simplify right side
    805,688.37x = 492,701,832,866.30
  5. Step 5: Solve for x
    x = 492,701,832,866.30/805,688.37
  6. Step 6: Final answer
    x = 611,529.04

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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.