Home / 619,006.69-928,488.12-169,720.35

Finding the Fourth Proportional to 619,006.69, 928,488.12 and 169,720.35

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Solution

The fourth proportional to 619,006.69, 928,488.12 and 169,720.35 is: 254,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,006.69 : 928,488.12 = 169,720.35 : x
  2. Step 2: Convert to fraction form
    619,006.69/928,488.12 = 169,720.35/x
  3. Step 3: Cross multiply
    619,006.69x = 928,488.12 × 169,720.35
  4. Step 4: Simplify right side
    619,006.69x = 157,583,328,697.24
  5. Step 5: Solve for x
    x = 157,583,328,697.24/619,006.69
  6. Step 6: Final answer
    x = 254,574.52

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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.