Home / 1,070,847.95-1,605,755.21-621,681.89

Finding the Fourth Proportional to 1,070,847.95, 1,605,755.21 and 621,681.89

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Solution

The fourth proportional to 1,070,847.95, 1,605,755.21 and 621,681.89 is: 932,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,847.95 : 1,605,755.21 = 621,681.89 : x
  2. Step 2: Convert to fraction form
    1,070,847.95/1,605,755.21 = 621,681.89/x
  3. Step 3: Cross multiply
    1,070,847.95x = 1,605,755.21 × 621,681.89
  4. Step 4: Simplify right side
    1,070,847.95x = 998,268,922,692.96
  5. Step 5: Solve for x
    x = 998,268,922,692.96/1,070,847.95
  6. Step 6: Final answer
    x = 932,222.85

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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.