Home / 1,474,420.47-2,209,760.52-663,940.14

Finding the Fourth Proportional to 1,474,420.47, 2,209,760.52 and 663,940.14

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Solution

The fourth proportional to 1,474,420.47, 2,209,760.52 and 663,940.14 is: 995,068.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474,420.47 : 2,209,760.52 = 663,940.14 : x
  2. Step 2: Convert to fraction form
    1,474,420.47/2,209,760.52 = 663,940.14/x
  3. Step 3: Cross multiply
    1,474,420.47x = 2,209,760.52 × 663,940.14
  4. Step 4: Simplify right side
    1,474,420.47x = 1,467,148,709,015.27
  5. Step 5: Solve for x
    x = 1,467,148,709,015.27/1,474,420.47
  6. Step 6: Final answer
    x = 995,068.05

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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.