Home / 612,971.88-919,448.59-275,774.41

Finding the Fourth Proportional to 612,971.88, 919,448.59 and 275,774.41

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Solution

The fourth proportional to 612,971.88, 919,448.59 and 275,774.41 is: 413,657.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,971.88 : 919,448.59 = 275,774.41 : x
  2. Step 2: Convert to fraction form
    612,971.88/919,448.59 = 275,774.41/x
  3. Step 3: Cross multiply
    612,971.88x = 919,448.59 × 275,774.41
  4. Step 4: Simplify right side
    612,971.88x = 253,560,392,432.58
  5. Step 5: Solve for x
    x = 253,560,392,432.58/612,971.88
  6. Step 6: Final answer
    x = 413,657.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.