Home / 778,458.04-1,167,736.50-329,095.18

Finding the Fourth Proportional to 778,458.04, 1,167,736.50 and 329,095.18

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Solution

The fourth proportional to 778,458.04, 1,167,736.50 and 329,095.18 is: 493,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,458.04 : 1,167,736.50 = 329,095.18 : x
  2. Step 2: Convert to fraction form
    778,458.04/1,167,736.50 = 329,095.18/x
  3. Step 3: Cross multiply
    778,458.04x = 1,167,736.50 × 329,095.18
  4. Step 4: Simplify right side
    778,458.04x = 384,296,453,660.07
  5. Step 5: Solve for x
    x = 384,296,453,660.07/778,458.04
  6. Step 6: Final answer
    x = 493,663.67

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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.