Home / 828,181.21-1,142,870.39-541,695.14

Finding the Fourth Proportional to 828,181.21, 1,142,870.39 and 541,695.14

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Solution

The fourth proportional to 828,181.21, 1,142,870.39 and 541,695.14 is: 747,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,181.21 : 1,142,870.39 = 541,695.14 : x
  2. Step 2: Convert to fraction form
    828,181.21/1,142,870.39 = 541,695.14/x
  3. Step 3: Cross multiply
    828,181.21x = 1,142,870.39 × 541,695.14
  4. Step 4: Simplify right side
    828,181.21x = 619,087,338,712.33
  5. Step 5: Solve for x
    x = 619,087,338,712.33/828,181.21
  6. Step 6: Final answer
    x = 747,526.43

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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.