Home / 1,117.08-1,664.64-1,044.18

Finding the Fourth Proportional to 1,117.08, 1,664.64 and 1,044.18

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Solution

The fourth proportional to 1,117.08, 1,664.64 and 1,044.18 is: 1,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117.08 : 1,664.64 = 1,044.18 : x
  2. Step 2: Convert to fraction form
    1,117.08/1,664.64 = 1,044.18/x
  3. Step 3: Cross multiply
    1,117.08x = 1,664.64 × 1,044.18
  4. Step 4: Simplify right side
    1,117.08x = 1,738,183.80
  5. Step 5: Solve for x
    x = 1,738,183.80/1,117.08
  6. Step 6: Final answer
    x = 1,556.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.