Home / 807,589.61-1,114,523.21-445,013.26

Finding the Fourth Proportional to 807,589.61, 1,114,523.21 and 445,013.26

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Solution

The fourth proportional to 807,589.61, 1,114,523.21 and 445,013.26 is: 614,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,589.61 : 1,114,523.21 = 445,013.26 : x
  2. Step 2: Convert to fraction form
    807,589.61/1,114,523.21 = 445,013.26/x
  3. Step 3: Cross multiply
    807,589.61x = 1,114,523.21 × 445,013.26
  4. Step 4: Simplify right side
    807,589.61x = 495,977,605,353.99
  5. Step 5: Solve for x
    x = 495,977,605,353.99/807,589.61
  6. Step 6: Final answer
    x = 614,145.60

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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.