Home / 957,197.48-1,320,915.41-521,618.61

Finding the Fourth Proportional to 957,197.48, 1,320,915.41 and 521,618.61

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Solution

The fourth proportional to 957,197.48, 1,320,915.41 and 521,618.61 is: 719,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,197.48 : 1,320,915.41 = 521,618.61 : x
  2. Step 2: Convert to fraction form
    957,197.48/1,320,915.41 = 521,618.61/x
  3. Step 3: Cross multiply
    957,197.48x = 1,320,915.41 × 521,618.61
  4. Step 4: Simplify right side
    957,197.48x = 689,014,054,486.32
  5. Step 5: Solve for x
    x = 689,014,054,486.32/957,197.48
  6. Step 6: Final answer
    x = 719,824.35

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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.