Home / 819,112.22-1,130,380.12-456,559.10

Finding the Fourth Proportional to 819,112.22, 1,130,380.12 and 456,559.10

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Solution

The fourth proportional to 819,112.22, 1,130,380.12 and 456,559.10 is: 630,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,112.22 : 1,130,380.12 = 456,559.10 : x
  2. Step 2: Convert to fraction form
    819,112.22/1,130,380.12 = 456,559.10/x
  3. Step 3: Cross multiply
    819,112.22x = 1,130,380.12 × 456,559.10
  4. Step 4: Simplify right side
    819,112.22x = 516,085,330,245.09
  5. Step 5: Solve for x
    x = 516,085,330,245.09/819,112.22
  6. Step 6: Final answer
    x = 630,054.49

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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.