Home / 454,266.19-626,887.36-263,390.30

Finding the Fourth Proportional to 454,266.19, 626,887.36 and 263,390.30

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Solution

The fourth proportional to 454,266.19, 626,887.36 and 263,390.30 is: 363,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,266.19 : 626,887.36 = 263,390.30 : x
  2. Step 2: Convert to fraction form
    454,266.19/626,887.36 = 263,390.30/x
  3. Step 3: Cross multiply
    454,266.19x = 626,887.36 × 263,390.30
  4. Step 4: Simplify right side
    454,266.19x = 165,116,049,816.61
  5. Step 5: Solve for x
    x = 165,116,049,816.61/454,266.19
  6. Step 6: Final answer
    x = 363,478.62

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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.