Home / 1,191,151.69-1,786,795.65-338,156.62

Finding the Fourth Proportional to 1,191,151.69, 1,786,795.65 and 338,156.62

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Solution

The fourth proportional to 1,191,151.69, 1,786,795.65 and 338,156.62 is: 507,254.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,151.69 : 1,786,795.65 = 338,156.62 : x
  2. Step 2: Convert to fraction form
    1,191,151.69/1,786,795.65 = 338,156.62/x
  3. Step 3: Cross multiply
    1,191,151.69x = 1,786,795.65 × 338,156.62
  4. Step 4: Simplify right side
    1,191,151.69x = 604,216,777,634.70
  5. Step 5: Solve for x
    x = 604,216,777,634.70/1,191,151.69
  6. Step 6: Final answer
    x = 507,254.27

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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.