Home / 1,173,065.41-1,618,855.23-663,767.79

Finding the Fourth Proportional to 1,173,065.41, 1,618,855.23 and 663,767.79

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Solution

The fourth proportional to 1,173,065.41, 1,618,855.23 and 663,767.79 is: 916,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,065.41 : 1,618,855.23 = 663,767.79 : x
  2. Step 2: Convert to fraction form
    1,173,065.41/1,618,855.23 = 663,767.79/x
  3. Step 3: Cross multiply
    1,173,065.41x = 1,618,855.23 × 663,767.79
  4. Step 4: Simplify right side
    1,173,065.41x = 1,074,543,950,252.77
  5. Step 5: Solve for x
    x = 1,074,543,950,252.77/1,173,065.41
  6. Step 6: Final answer
    x = 916,013.67

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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.