Home / 1,178,782.45-1,768,186.02-943,620.01

Finding the Fourth Proportional to 1,178,782.45, 1,768,186.02 and 943,620.01

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Solution

The fourth proportional to 1,178,782.45, 1,768,186.02 and 943,620.01 is: 1,415,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,782.45 : 1,768,186.02 = 943,620.01 : x
  2. Step 2: Convert to fraction form
    1,178,782.45/1,768,186.02 = 943,620.01/x
  3. Step 3: Cross multiply
    1,178,782.45x = 1,768,186.02 × 943,620.01
  4. Step 4: Simplify right side
    1,178,782.45x = 1,668,495,709,874.26
  5. Step 5: Solve for x
    x = 1,668,495,709,874.26/1,178,782.45
  6. Step 6: Final answer
    x = 1,415,439.90

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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.