Home / 1,623.26-2,240.21-924.63

Finding the Fourth Proportional to 1,623.26, 2,240.21 and 924.63

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Solution

The fourth proportional to 1,623.26, 2,240.21 and 924.63 is: 1,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.26 : 2,240.21 = 924.63 : x
  2. Step 2: Convert to fraction form
    1,623.26/2,240.21 = 924.63/x
  3. Step 3: Cross multiply
    1,623.26x = 2,240.21 × 924.63
  4. Step 4: Simplify right side
    1,623.26x = 2,071,365.37
  5. Step 5: Solve for x
    x = 2,071,365.37/1,623.26
  6. Step 6: Final answer
    x = 1,276.05

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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.