Home / 819,110.28-1,130,377.73-456,557.48

Finding the Fourth Proportional to 819,110.28, 1,130,377.73 and 456,557.48

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Solution

The fourth proportional to 819,110.28, 1,130,377.73 and 456,557.48 is: 630,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,110.28 : 1,130,377.73 = 456,557.48 : x
  2. Step 2: Convert to fraction form
    819,110.28/1,130,377.73 = 456,557.48/x
  3. Step 3: Cross multiply
    819,110.28x = 1,130,377.73 × 456,557.48
  4. Step 4: Simplify right side
    819,110.28x = 516,082,399,922.24
  5. Step 5: Solve for x
    x = 516,082,399,922.24/819,110.28
  6. Step 6: Final answer
    x = 630,052.40

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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.