Home / 531,929.69-734,061.92-290,212.42

Finding the Fourth Proportional to 531,929.69, 734,061.92 and 290,212.42

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Solution

The fourth proportional to 531,929.69, 734,061.92 and 290,212.42 is: 400,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,929.69 : 734,061.92 = 290,212.42 : x
  2. Step 2: Convert to fraction form
    531,929.69/734,061.92 = 290,212.42/x
  3. Step 3: Cross multiply
    531,929.69x = 734,061.92 × 290,212.42
  4. Step 4: Simplify right side
    531,929.69x = 213,033,886,233.05
  5. Step 5: Solve for x
    x = 213,033,886,233.05/531,929.69
  6. Step 6: Final answer
    x = 400,492.57

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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.