Home / 730,622.22-1,008,228.87-403,914.44

Finding the Fourth Proportional to 730,622.22, 1,008,228.87 and 403,914.44

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Solution

The fourth proportional to 730,622.22, 1,008,228.87 and 403,914.44 is: 557,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,622.22 : 1,008,228.87 = 403,914.44 : x
  2. Step 2: Convert to fraction form
    730,622.22/1,008,228.87 = 403,914.44/x
  3. Step 3: Cross multiply
    730,622.22x = 1,008,228.87 × 403,914.44
  4. Step 4: Simplify right side
    730,622.22x = 407,238,196,143.86
  5. Step 5: Solve for x
    x = 407,238,196,143.86/730,622.22
  6. Step 6: Final answer
    x = 557,385.45

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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.