Home / 1,275,096.42-1,911,756.87-564,739.38

Finding the Fourth Proportional to 1,275,096.42, 1,911,756.87 and 564,739.38

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Solution

The fourth proportional to 1,275,096.42, 1,911,756.87 and 564,739.38 is: 846,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,096.42 : 1,911,756.87 = 564,739.38 : x
  2. Step 2: Convert to fraction form
    1,275,096.42/1,911,756.87 = 564,739.38/x
  3. Step 3: Cross multiply
    1,275,096.42x = 1,911,756.87 × 564,739.38
  4. Step 4: Simplify right side
    1,275,096.42x = 1,079,644,389,474.54
  5. Step 5: Solve for x
    x = 1,079,644,389,474.54/1,275,096.42
  6. Step 6: Final answer
    x = 846,715.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.