Home / 819,232.40-1,130,546.28-456,679.28

Finding the Fourth Proportional to 819,232.40, 1,130,546.28 and 456,679.28

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Solution

The fourth proportional to 819,232.40, 1,130,546.28 and 456,679.28 is: 630,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,232.40 : 1,130,546.28 = 456,679.28 : x
  2. Step 2: Convert to fraction form
    819,232.40/1,130,546.28 = 456,679.28/x
  3. Step 3: Cross multiply
    819,232.40x = 1,130,546.28 × 456,679.28
  4. Step 4: Simplify right side
    819,232.40x = 516,297,061,157.08
  5. Step 5: Solve for x
    x = 516,297,061,157.08/819,232.40
  6. Step 6: Final answer
    x = 630,220.51

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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.