Home / 852,435.78-1,176,367.50-465,247.68

Finding the Fourth Proportional to 852,435.78, 1,176,367.50 and 465,247.68

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Solution

The fourth proportional to 852,435.78, 1,176,367.50 and 465,247.68 is: 642,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,435.78 : 1,176,367.50 = 465,247.68 : x
  2. Step 2: Convert to fraction form
    852,435.78/1,176,367.50 = 465,247.68/x
  3. Step 3: Cross multiply
    852,435.78x = 1,176,367.50 × 465,247.68
  4. Step 4: Simplify right side
    852,435.78x = 547,302,250,202.40
  5. Step 5: Solve for x
    x = 547,302,250,202.40/852,435.78
  6. Step 6: Final answer
    x = 642,045.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.