Home / 1,298,152.62-1,791,519.41-782,069.00

Finding the Fourth Proportional to 1,298,152.62, 1,791,519.41 and 782,069.00

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Solution

The fourth proportional to 1,298,152.62, 1,791,519.41 and 782,069.00 is: 1,079,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,152.62 : 1,791,519.41 = 782,069.00 : x
  2. Step 2: Convert to fraction form
    1,298,152.62/1,791,519.41 = 782,069.00/x
  3. Step 3: Cross multiply
    1,298,152.62x = 1,791,519.41 × 782,069.00
  4. Step 4: Simplify right side
    1,298,152.62x = 1,401,091,783,524.11
  5. Step 5: Solve for x
    x = 1,401,091,783,524.11/1,298,152.62
  6. Step 6: Final answer
    x = 1,079,296.66

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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.