Home / 1,131,833.72-1,561,931.34-622,574.84

Finding the Fourth Proportional to 1,131,833.72, 1,561,931.34 and 622,574.84

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Solution

The fourth proportional to 1,131,833.72, 1,561,931.34 and 622,574.84 is: 859,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,833.72 : 1,561,931.34 = 622,574.84 : x
  2. Step 2: Convert to fraction form
    1,131,833.72/1,561,931.34 = 622,574.84/x
  3. Step 3: Cross multiply
    1,131,833.72x = 1,561,931.34 × 622,574.84
  4. Step 4: Simplify right side
    1,131,833.72x = 972,419,154,091.49
  5. Step 5: Solve for x
    x = 972,419,154,091.49/1,131,833.72
  6. Step 6: Final answer
    x = 859,153.72

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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.