Home / 805,893.81-1,112,136.02-443,345.24

Finding the Fourth Proportional to 805,893.81, 1,112,136.02 and 443,345.24

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Solution

The fourth proportional to 805,893.81, 1,112,136.02 and 443,345.24 is: 611,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,893.81 : 1,112,136.02 = 443,345.24 : x
  2. Step 2: Convert to fraction form
    805,893.81/1,112,136.02 = 443,345.24/x
  3. Step 3: Cross multiply
    805,893.81x = 1,112,136.02 × 443,345.24
  4. Step 4: Simplify right side
    805,893.81x = 493,060,202,922.14
  5. Step 5: Solve for x
    x = 493,060,202,922.14/805,893.81
  6. Step 6: Final answer
    x = 611,817.83

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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.