Home / 528,207.18-729,208.32-413,241.44

Finding the Fourth Proportional to 528,207.18, 729,208.32 and 413,241.44

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Solution

The fourth proportional to 528,207.18, 729,208.32 and 413,241.44 is: 570,494.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,207.18 : 729,208.32 = 413,241.44 : x
  2. Step 2: Convert to fraction form
    528,207.18/729,208.32 = 413,241.44/x
  3. Step 3: Cross multiply
    528,207.18x = 729,208.32 × 413,241.44
  4. Step 4: Simplify right side
    528,207.18x = 301,339,096,216.78
  5. Step 5: Solve for x
    x = 301,339,096,216.78/528,207.18
  6. Step 6: Final answer
    x = 570,494.13

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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.