Home / 723,300.03-1,084,995.15-190,821.57

Finding the Fourth Proportional to 723,300.03, 1,084,995.15 and 190,821.57

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Solution

The fourth proportional to 723,300.03, 1,084,995.15 and 190,821.57 is: 286,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,300.03 : 1,084,995.15 = 190,821.57 : x
  2. Step 2: Convert to fraction form
    723,300.03/1,084,995.15 = 190,821.57/x
  3. Step 3: Cross multiply
    723,300.03x = 1,084,995.15 × 190,821.57
  4. Step 4: Simplify right side
    723,300.03x = 207,040,477,965.39
  5. Step 5: Solve for x
    x = 207,040,477,965.39/723,300.03
  6. Step 6: Final answer
    x = 286,244.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.