Home / 612,739.02-844,986.15-408,798.23

Finding the Fourth Proportional to 612,739.02, 844,986.15 and 408,798.23

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Solution

The fourth proportional to 612,739.02, 844,986.15 and 408,798.23 is: 563,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,739.02 : 844,986.15 = 408,798.23 : x
  2. Step 2: Convert to fraction form
    612,739.02/844,986.15 = 408,798.23/x
  3. Step 3: Cross multiply
    612,739.02x = 844,986.15 × 408,798.23
  4. Step 4: Simplify right side
    612,739.02x = 345,428,844,606.98
  5. Step 5: Solve for x
    x = 345,428,844,606.98/612,739.02
  6. Step 6: Final answer
    x = 563,745.47

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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.