Home / 1,074,405.78-1,611,340.64-316,096.26

Finding the Fourth Proportional to 1,074,405.78, 1,611,340.64 and 316,096.26

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Solution

The fourth proportional to 1,074,405.78, 1,611,340.64 and 316,096.26 is: 474,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,405.78 : 1,611,340.64 = 316,096.26 : x
  2. Step 2: Convert to fraction form
    1,074,405.78/1,611,340.64 = 316,096.26/x
  3. Step 3: Cross multiply
    1,074,405.78x = 1,611,340.64 × 316,096.26
  4. Step 4: Simplify right side
    1,074,405.78x = 509,338,749,890.01
  5. Step 5: Solve for x
    x = 509,338,749,890.01/1,074,405.78
  6. Step 6: Final answer
    x = 474,065.53

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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.