Home / 745,093.08-1,117,828.26-212,616

Finding the Fourth Proportional to 745,093.08, 1,117,828.26 and 212,616

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Solution

The fourth proportional to 745,093.08, 1,117,828.26 and 212,616 is: 318,977.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,093.08 : 1,117,828.26 = 212,616 : x
  2. Step 2: Convert to fraction form
    745,093.08/1,117,828.26 = 212,616/x
  3. Step 3: Cross multiply
    745,093.08x = 1,117,828.26 × 212,616
  4. Step 4: Simplify right side
    745,093.08x = 237,668,173,328.16
  5. Step 5: Solve for x
    x = 237,668,173,328.16/745,093.08
  6. Step 6: Final answer
    x = 318,977.83

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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.