Home / 454,109.25-626,670.78-252,905.25

Finding the Fourth Proportional to 454,109.25, 626,670.78 and 252,905.25

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Solution

The fourth proportional to 454,109.25, 626,670.78 and 252,905.25 is: 349,009.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,109.25 : 626,670.78 = 252,905.25 : x
  2. Step 2: Convert to fraction form
    454,109.25/626,670.78 = 252,905.25/x
  3. Step 3: Cross multiply
    454,109.25x = 626,670.78 × 252,905.25
  4. Step 4: Simplify right side
    454,109.25x = 158,488,330,283.60
  5. Step 5: Solve for x
    x = 158,488,330,283.60/454,109.25
  6. Step 6: Final answer
    x = 349,009.25

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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.