Home / 806,256.90-1,112,606.63-443,646.84

Finding the Fourth Proportional to 806,256.90, 1,112,606.63 and 443,646.84

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Solution

The fourth proportional to 806,256.90, 1,112,606.63 and 443,646.84 is: 612,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,256.90 : 1,112,606.63 = 443,646.84 : x
  2. Step 2: Convert to fraction form
    806,256.90/1,112,606.63 = 443,646.84/x
  3. Step 3: Cross multiply
    806,256.90x = 1,112,606.63 × 443,646.84
  4. Step 4: Simplify right side
    806,256.90x = 493,604,407,781.28
  5. Step 5: Solve for x
    x = 493,604,407,781.28/806,256.90
  6. Step 6: Final answer
    x = 612,217.28

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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.