Home / 493,938.69-681,666.89-302,926.11

Finding the Fourth Proportional to 493,938.69, 681,666.89 and 302,926.11

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Solution

The fourth proportional to 493,938.69, 681,666.89 and 302,926.11 is: 418,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,938.69 : 681,666.89 = 302,926.11 : x
  2. Step 2: Convert to fraction form
    493,938.69/681,666.89 = 302,926.11/x
  3. Step 3: Cross multiply
    493,938.69x = 681,666.89 × 302,926.11
  4. Step 4: Simplify right side
    493,938.69x = 206,494,697,788.87
  5. Step 5: Solve for x
    x = 206,494,697,788.87/493,938.69
  6. Step 6: Final answer
    x = 418,057.35

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1.5x scale

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.