Home / 1,106,369.55-1,655,617.73-767,821.95

Finding the Fourth Proportional to 1,106,369.55, 1,655,617.73 and 767,821.95

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Solution

The fourth proportional to 1,106,369.55, 1,655,617.73 and 767,821.95 is: 1,149,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,369.55 : 1,655,617.73 = 767,821.95 : x
  2. Step 2: Convert to fraction form
    1,106,369.55/1,655,617.73 = 767,821.95/x
  3. Step 3: Cross multiply
    1,106,369.55x = 1,655,617.73 × 767,821.95
  4. Step 4: Simplify right side
    1,106,369.55x = 1,271,219,630,064.06
  5. Step 5: Solve for x
    x = 1,271,219,630,064.06/1,106,369.55
  6. Step 6: Final answer
    x = 1,149,000.92

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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.