Home / 1,222.09-1,824.70-1,048.48

Finding the Fourth Proportional to 1,222.09, 1,824.70 and 1,048.48

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Solution

The fourth proportional to 1,222.09, 1,824.70 and 1,048.48 is: 1,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.09 : 1,824.70 = 1,048.48 : x
  2. Step 2: Convert to fraction form
    1,222.09/1,824.70 = 1,048.48/x
  3. Step 3: Cross multiply
    1,222.09x = 1,824.70 × 1,048.48
  4. Step 4: Simplify right side
    1,222.09x = 1,913,161.46
  5. Step 5: Solve for x
    x = 1,913,161.46/1,222.09
  6. Step 6: Final answer
    x = 1,565.48

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Half scale
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Double scale
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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.