Home / 819,233.16-1,130,525.56-456,635.38

Finding the Fourth Proportional to 819,233.16, 1,130,525.56 and 456,635.38

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Solution

The fourth proportional to 819,233.16, 1,130,525.56 and 456,635.38 is: 630,147.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,233.16 : 1,130,525.56 = 456,635.38 : x
  2. Step 2: Convert to fraction form
    819,233.16/1,130,525.56 = 456,635.38/x
  3. Step 3: Cross multiply
    819,233.16x = 1,130,525.56 × 456,635.38
  4. Step 4: Simplify right side
    819,233.16x = 516,237,968,690.31
  5. Step 5: Solve for x
    x = 516,237,968,690.31/819,233.16
  6. Step 6: Final answer
    x = 630,147.79

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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.