Home / 980,236.84-1,352,568.18-612,670.63

Finding the Fourth Proportional to 980,236.84, 1,352,568.18 and 612,670.63

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Solution

The fourth proportional to 980,236.84, 1,352,568.18 and 612,670.63 is: 845,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,236.84 : 1,352,568.18 = 612,670.63 : x
  2. Step 2: Convert to fraction form
    980,236.84/1,352,568.18 = 612,670.63/x
  3. Step 3: Cross multiply
    980,236.84x = 1,352,568.18 × 612,670.63
  4. Step 4: Simplify right side
    980,236.84x = 828,678,798,958.55
  5. Step 5: Solve for x
    x = 828,678,798,958.55/980,236.84
  6. Step 6: Final answer
    x = 845,386.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.