Home / 447,525.07-617,589.63-243,577.28

Finding the Fourth Proportional to 447,525.07, 617,589.63 and 243,577.28

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Solution

The fourth proportional to 447,525.07, 617,589.63 and 243,577.28 is: 336,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,525.07 : 617,589.63 = 243,577.28 : x
  2. Step 2: Convert to fraction form
    447,525.07/617,589.63 = 243,577.28/x
  3. Step 3: Cross multiply
    447,525.07x = 617,589.63 × 243,577.28
  4. Step 4: Simplify right side
    447,525.07x = 150,430,802,231.61
  5. Step 5: Solve for x
    x = 150,430,802,231.61/447,525.07
  6. Step 6: Final answer
    x = 336,139.39

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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.