Home / 454,265.94-626,887.01-263,390.05

Finding the Fourth Proportional to 454,265.94, 626,887.01 and 263,390.05

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Solution

The fourth proportional to 454,265.94, 626,887.01 and 263,390.05 is: 363,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,265.94 : 626,887.01 = 263,390.05 : x
  2. Step 2: Convert to fraction form
    454,265.94/626,887.01 = 263,390.05/x
  3. Step 3: Cross multiply
    454,265.94x = 626,887.01 × 263,390.05
  4. Step 4: Simplify right side
    454,265.94x = 165,115,799,999.51
  5. Step 5: Solve for x
    x = 165,115,799,999.51/454,265.94
  6. Step 6: Final answer
    x = 363,478.27

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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.