Home / 805,953.72-1,112,181.05-443,354.60

Finding the Fourth Proportional to 805,953.72, 1,112,181.05 and 443,354.60

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Solution

The fourth proportional to 805,953.72, 1,112,181.05 and 443,354.60 is: 611,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,953.72 : 1,112,181.05 = 443,354.60 : x
  2. Step 2: Convert to fraction form
    805,953.72/1,112,181.05 = 443,354.60/x
  3. Step 3: Cross multiply
    805,953.72x = 1,112,181.05 × 443,354.60
  4. Step 4: Simplify right side
    805,953.72x = 493,090,576,772.65
  5. Step 5: Solve for x
    x = 493,090,576,772.65/805,953.72
  6. Step 6: Final answer
    x = 611,810.04

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Double scale
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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.