Home / 1,205,559.02-1,663,692.54-661,745.68

Finding the Fourth Proportional to 1,205,559.02, 1,663,692.54 and 661,745.68

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Solution

The fourth proportional to 1,205,559.02, 1,663,692.54 and 661,745.68 is: 913,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,559.02 : 1,663,692.54 = 661,745.68 : x
  2. Step 2: Convert to fraction form
    1,205,559.02/1,663,692.54 = 661,745.68/x
  3. Step 3: Cross multiply
    1,205,559.02x = 1,663,692.54 × 661,745.68
  4. Step 4: Simplify right side
    1,205,559.02x = 1,100,941,351,193.23
  5. Step 5: Solve for x
    x = 1,100,941,351,193.23/1,205,559.02
  6. Step 6: Final answer
    x = 913,220.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.