Home / 1,277,468.64-1,915,876.08-378,700.38

Finding the Fourth Proportional to 1,277,468.64, 1,915,876.08 and 378,700.38

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Solution

The fourth proportional to 1,277,468.64, 1,915,876.08 and 378,700.38 is: 567,953.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,468.64 : 1,915,876.08 = 378,700.38 : x
  2. Step 2: Convert to fraction form
    1,277,468.64/1,915,876.08 = 378,700.38/x
  3. Step 3: Cross multiply
    1,277,468.64x = 1,915,876.08 × 378,700.38
  4. Step 4: Simplify right side
    1,277,468.64x = 725,542,999,528.91
  5. Step 5: Solve for x
    x = 725,542,999,528.91/1,277,468.64
  6. Step 6: Final answer
    x = 567,953.67

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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.