Home / 818,968.66-1,130,177.82-456,384.54

Finding the Fourth Proportional to 818,968.66, 1,130,177.82 and 456,384.54

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Solution

The fourth proportional to 818,968.66, 1,130,177.82 and 456,384.54 is: 629,811.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,968.66 : 1,130,177.82 = 456,384.54 : x
  2. Step 2: Convert to fraction form
    818,968.66/1,130,177.82 = 456,384.54/x
  3. Step 3: Cross multiply
    818,968.66x = 1,130,177.82 × 456,384.54
  4. Step 4: Simplify right side
    818,968.66x = 515,795,684,498.90
  5. Step 5: Solve for x
    x = 515,795,684,498.90/818,968.66
  6. Step 6: Final answer
    x = 629,811.26

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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.