Home / 1,231,670.37-1,847,483.67-390,200.25

Finding the Fourth Proportional to 1,231,670.37, 1,847,483.67 and 390,200.25

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Solution

The fourth proportional to 1,231,670.37, 1,847,483.67 and 390,200.25 is: 585,293.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,670.37 : 1,847,483.67 = 390,200.25 : x
  2. Step 2: Convert to fraction form
    1,231,670.37/1,847,483.67 = 390,200.25/x
  3. Step 3: Cross multiply
    1,231,670.37x = 1,847,483.67 × 390,200.25
  4. Step 4: Simplify right side
    1,231,670.37x = 720,888,589,904.92
  5. Step 5: Solve for x
    x = 720,888,589,904.92/1,231,670.37
  6. Step 6: Final answer
    x = 585,293.44

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Double scale
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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.