Home / 621,720.32-931,360.14-322,396.58

Finding the Fourth Proportional to 621,720.32, 931,360.14 and 322,396.58

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Solution

The fourth proportional to 621,720.32, 931,360.14 and 322,396.58 is: 482,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,720.32 : 931,360.14 = 322,396.58 : x
  2. Step 2: Convert to fraction form
    621,720.32/931,360.14 = 322,396.58/x
  3. Step 3: Cross multiply
    621,720.32x = 931,360.14 × 322,396.58
  4. Step 4: Simplify right side
    621,720.32x = 300,267,323,884.32
  5. Step 5: Solve for x
    x = 300,267,323,884.32/621,720.32
  6. Step 6: Final answer
    x = 482,962.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.