Home / 1,758,539.98-2,636,431.90-694,378.59

Finding the Fourth Proportional to 1,758,539.98, 2,636,431.90 and 694,378.59

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Solution

The fourth proportional to 1,758,539.98, 2,636,431.90 and 694,378.59 is: 1,041,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,539.98 : 2,636,431.90 = 694,378.59 : x
  2. Step 2: Convert to fraction form
    1,758,539.98/2,636,431.90 = 694,378.59/x
  3. Step 3: Cross multiply
    1,758,539.98x = 2,636,431.90 × 694,378.59
  4. Step 4: Simplify right side
    1,758,539.98x = 1,830,681,865,353.02
  5. Step 5: Solve for x
    x = 1,830,681,865,353.02/1,758,539.98
  6. Step 6: Final answer
    x = 1,041,023.74

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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.