Home / 1,969,038.80-2,953,404.60-770,728.40

Finding the Fourth Proportional to 1,969,038.80, 2,953,404.60 and 770,728.40

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Solution

The fourth proportional to 1,969,038.80, 2,953,404.60 and 770,728.40 is: 1,156,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,038.80 : 2,953,404.60 = 770,728.40 : x
  2. Step 2: Convert to fraction form
    1,969,038.80/2,953,404.60 = 770,728.40/x
  3. Step 3: Cross multiply
    1,969,038.80x = 2,953,404.60 × 770,728.40
  4. Step 4: Simplify right side
    1,969,038.80x = 2,276,272,801,910.64
  5. Step 5: Solve for x
    x = 2,276,272,801,910.64/1,969,038.80
  6. Step 6: Final answer
    x = 1,156,032.48

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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.