Home / 1,692,792.90-2,539,159.93-681,889.01

Finding the Fourth Proportional to 1,692,792.90, 2,539,159.93 and 681,889.01

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Solution

The fourth proportional to 1,692,792.90, 2,539,159.93 and 681,889.01 is: 1,022,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,792.90 : 2,539,159.93 = 681,889.01 : x
  2. Step 2: Convert to fraction form
    1,692,792.90/2,539,159.93 = 681,889.01/x
  3. Step 3: Cross multiply
    1,692,792.90x = 2,539,159.93 × 681,889.01
  4. Step 4: Simplify right side
    1,692,792.90x = 1,731,425,253,950.54
  5. Step 5: Solve for x
    x = 1,731,425,253,950.54/1,692,792.90
  6. Step 6: Final answer
    x = 1,022,821.67

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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.