Home / 1,668,907.90-2,503,557.32-531,271.51

Finding the Fourth Proportional to 1,668,907.90, 2,503,557.32 and 531,271.51

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Solution

The fourth proportional to 1,668,907.90, 2,503,557.32 and 531,271.51 is: 796,969.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,907.90 : 2,503,557.32 = 531,271.51 : x
  2. Step 2: Convert to fraction form
    1,668,907.90/2,503,557.32 = 531,271.51/x
  3. Step 3: Cross multiply
    1,668,907.90x = 2,503,557.32 × 531,271.51
  4. Step 4: Simplify right side
    1,668,907.90x = 1,330,068,668,852.70
  5. Step 5: Solve for x
    x = 1,330,068,668,852.70/1,668,907.90
  6. Step 6: Final answer
    x = 796,969.48

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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.