Home / 522,913.37-721,634.82-293,484.92

Finding the Fourth Proportional to 522,913.37, 721,634.82 and 293,484.92

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Solution

The fourth proportional to 522,913.37, 721,634.82 and 293,484.92 is: 405,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,913.37 : 721,634.82 = 293,484.92 : x
  2. Step 2: Convert to fraction form
    522,913.37/721,634.82 = 293,484.92/x
  3. Step 3: Cross multiply
    522,913.37x = 721,634.82 × 293,484.92
  4. Step 4: Simplify right side
    522,913.37x = 211,788,938,418.22
  5. Step 5: Solve for x
    x = 211,788,938,418.22/522,913.37
  6. Step 6: Final answer
    x = 405,017.26

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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.