Home / 730,462.22-1,008,137.97-420,358.42

Finding the Fourth Proportional to 730,462.22, 1,008,137.97 and 420,358.42

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Solution

The fourth proportional to 730,462.22, 1,008,137.97 and 420,358.42 is: 580,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,462.22 : 1,008,137.97 = 420,358.42 : x
  2. Step 2: Convert to fraction form
    730,462.22/1,008,137.97 = 420,358.42/x
  3. Step 3: Cross multiply
    730,462.22x = 1,008,137.97 × 420,358.42
  4. Step 4: Simplify right side
    730,462.22x = 423,779,284,211.21
  5. Step 5: Solve for x
    x = 423,779,284,211.21/730,462.22
  6. Step 6: Final answer
    x = 580,152.23

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Double scale
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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.