Home / 1,692,793.90-2,539,161.43-681,890.01

Finding the Fourth Proportional to 1,692,793.90, 2,539,161.43 and 681,890.01

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Solution

The fourth proportional to 1,692,793.90, 2,539,161.43 and 681,890.01 is: 1,022,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,793.90 : 2,539,161.43 = 681,890.01 : x
  2. Step 2: Convert to fraction form
    1,692,793.90/2,539,161.43 = 681,890.01/x
  3. Step 3: Cross multiply
    1,692,793.90x = 2,539,161.43 × 681,890.01
  4. Step 4: Simplify right side
    1,692,793.90x = 1,731,428,812,894.31
  5. Step 5: Solve for x
    x = 1,731,428,812,894.31/1,692,793.90
  6. Step 6: Final answer
    x = 1,022,823.16

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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.