Home / 1,141,219.80-1,576,523.79-911,475.45

Finding the Fourth Proportional to 1,141,219.80, 1,576,523.79 and 911,475.45

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Solution

The fourth proportional to 1,141,219.80, 1,576,523.79 and 911,475.45 is: 1,259,146.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,219.80 : 1,576,523.79 = 911,475.45 : x
  2. Step 2: Convert to fraction form
    1,141,219.80/1,576,523.79 = 911,475.45/x
  3. Step 3: Cross multiply
    1,141,219.80x = 1,576,523.79 × 911,475.45
  4. Step 4: Simplify right side
    1,141,219.80x = 1,436,962,730,925.96
  5. Step 5: Solve for x
    x = 1,436,962,730,925.96/1,141,219.80
  6. Step 6: Final answer
    x = 1,259,146.34

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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.