Home / 958,489.90-1,322,720.35-522,905.93

Finding the Fourth Proportional to 958,489.90, 1,322,720.35 and 522,905.93

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Solution

The fourth proportional to 958,489.90, 1,322,720.35 and 522,905.93 is: 721,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,489.90 : 1,322,720.35 = 522,905.93 : x
  2. Step 2: Convert to fraction form
    958,489.90/1,322,720.35 = 522,905.93/x
  3. Step 3: Cross multiply
    958,489.90x = 1,322,720.35 × 522,905.93
  4. Step 4: Simplify right side
    958,489.90x = 691,658,312,247.26
  5. Step 5: Solve for x
    x = 691,658,312,247.26/958,489.90
  6. Step 6: Final answer
    x = 721,612.52

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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.