Home / 577,829.12-797,399.84-323,180.30

Finding the Fourth Proportional to 577,829.12, 797,399.84 and 323,180.30

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Solution

The fourth proportional to 577,829.12, 797,399.84 and 323,180.30 is: 445,986.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,829.12 : 797,399.84 = 323,180.30 : x
  2. Step 2: Convert to fraction form
    577,829.12/797,399.84 = 323,180.30/x
  3. Step 3: Cross multiply
    577,829.12x = 797,399.84 × 323,180.30
  4. Step 4: Simplify right side
    577,829.12x = 257,703,922,312.60
  5. Step 5: Solve for x
    x = 257,703,922,312.60/577,829.12
  6. Step 6: Final answer
    x = 445,986.39

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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.