Home / 648,579.78-972,891.54-175,269.24

Finding the Fourth Proportional to 648,579.78, 972,891.54 and 175,269.24

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Solution

The fourth proportional to 648,579.78, 972,891.54 and 175,269.24 is: 262,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,579.78 : 972,891.54 = 175,269.24 : x
  2. Step 2: Convert to fraction form
    648,579.78/972,891.54 = 175,269.24/x
  3. Step 3: Cross multiply
    648,579.78x = 972,891.54 × 175,269.24
  4. Step 4: Simplify right side
    648,579.78x = 170,517,960,818.23
  5. Step 5: Solve for x
    x = 170,517,960,818.23/648,579.78
  6. Step 6: Final answer
    x = 262,909.77

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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.