Home / 1,715,421.75-2,572,614.23-517,243.83

Finding the Fourth Proportional to 1,715,421.75, 2,572,614.23 and 517,243.83

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Solution

The fourth proportional to 1,715,421.75, 2,572,614.23 and 517,243.83 is: 775,709.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,421.75 : 2,572,614.23 = 517,243.83 : x
  2. Step 2: Convert to fraction form
    1,715,421.75/2,572,614.23 = 517,243.83/x
  3. Step 3: Cross multiply
    1,715,421.75x = 2,572,614.23 × 517,243.83
  4. Step 4: Simplify right side
    1,715,421.75x = 1,330,668,834,851.48
  5. Step 5: Solve for x
    x = 1,330,668,834,851.48/1,715,421.75
  6. Step 6: Final answer
    x = 775,709.43

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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.