Home / 700,907.40-1,051,360.99-168,428.43

Finding the Fourth Proportional to 700,907.40, 1,051,360.99 and 168,428.43

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Solution

The fourth proportional to 700,907.40, 1,051,360.99 and 168,428.43 is: 252,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,907.40 : 1,051,360.99 = 168,428.43 : x
  2. Step 2: Convert to fraction form
    700,907.40/1,051,360.99 = 168,428.43/x
  3. Step 3: Cross multiply
    700,907.40x = 1,051,360.99 × 168,428.43
  4. Step 4: Simplify right side
    700,907.40x = 177,079,080,908.95
  5. Step 5: Solve for x
    x = 177,079,080,908.95/700,907.40
  6. Step 6: Final answer
    x = 252,642.62

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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.