Home / 972,360.32-1,458,540.49-262,387.22

Finding the Fourth Proportional to 972,360.32, 1,458,540.49 and 262,387.22

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Solution

The fourth proportional to 972,360.32, 1,458,540.49 and 262,387.22 is: 393,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,360.32 : 1,458,540.49 = 262,387.22 : x
  2. Step 2: Convert to fraction form
    972,360.32/1,458,540.49 = 262,387.22/x
  3. Step 3: Cross multiply
    972,360.32x = 1,458,540.49 × 262,387.22
  4. Step 4: Simplify right side
    972,360.32x = 382,702,388,171.35
  5. Step 5: Solve for x
    x = 382,702,388,171.35/972,360.32
  6. Step 6: Final answer
    x = 393,580.84

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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.