Home / 1,678,169.79-2,515,569.30-540,095.67

Finding the Fourth Proportional to 1,678,169.79, 2,515,569.30 and 540,095.67

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Solution

The fourth proportional to 1,678,169.79, 2,515,569.30 and 540,095.67 is: 809,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,169.79 : 2,515,569.30 = 540,095.67 : x
  2. Step 2: Convert to fraction form
    1,678,169.79/2,515,569.30 = 540,095.67/x
  3. Step 3: Cross multiply
    1,678,169.79x = 2,515,569.30 × 540,095.67
  4. Step 4: Simplify right side
    1,678,169.79x = 1,358,648,086,514.93
  5. Step 5: Solve for x
    x = 1,358,648,086,514.93/1,678,169.79
  6. Step 6: Final answer
    x = 809,601.09

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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.