Home / 1,074,489.30-1,611,386.46-354,669.30

Finding the Fourth Proportional to 1,074,489.30, 1,611,386.46 and 354,669.30

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Solution

The fourth proportional to 1,074,489.30, 1,611,386.46 and 354,669.30 is: 531,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,489.30 : 1,611,386.46 = 354,669.30 : x
  2. Step 2: Convert to fraction form
    1,074,489.30/1,611,386.46 = 354,669.30/x
  3. Step 3: Cross multiply
    1,074,489.30x = 1,611,386.46 × 354,669.30
  4. Step 4: Simplify right side
    1,074,489.30x = 571,509,311,826.14
  5. Step 5: Solve for x
    x = 571,509,311,826.14/1,074,489.30
  6. Step 6: Final answer
    x = 531,889.25

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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.