Home / 449,264.32-620,010.03-245,334.22

Finding the Fourth Proportional to 449,264.32, 620,010.03 and 245,334.22

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Solution

The fourth proportional to 449,264.32, 620,010.03 and 245,334.22 is: 338,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,264.32 : 620,010.03 = 245,334.22 : x
  2. Step 2: Convert to fraction form
    449,264.32/620,010.03 = 245,334.22/x
  3. Step 3: Cross multiply
    449,264.32x = 620,010.03 × 245,334.22
  4. Step 4: Simplify right side
    449,264.32x = 152,109,677,102.23
  5. Step 5: Solve for x
    x = 152,109,677,102.23/449,264.32
  6. Step 6: Final answer
    x = 338,575.02

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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.