Home / 648,196.20-973,169.10-515,226.60

Finding the Fourth Proportional to 648,196.20, 973,169.10 and 515,226.60

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Solution

The fourth proportional to 648,196.20, 973,169.10 and 515,226.60 is: 773,535.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,196.20 : 973,169.10 = 515,226.60 : x
  2. Step 2: Convert to fraction form
    648,196.20/973,169.10 = 515,226.60/x
  3. Step 3: Cross multiply
    648,196.20x = 973,169.10 × 515,226.60
  4. Step 4: Simplify right side
    648,196.20x = 501,402,606,618.06
  5. Step 5: Solve for x
    x = 501,402,606,618.06/648,196.20
  6. Step 6: Final answer
    x = 773,535.25

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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.