Home / 1,038,107.60-1,556,969.40-289,998.80

Finding the Fourth Proportional to 1,038,107.60, 1,556,969.40 and 289,998.80

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Solution

The fourth proportional to 1,038,107.60, 1,556,969.40 and 289,998.80 is: 434,944.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,107.60 : 1,556,969.40 = 289,998.80 : x
  2. Step 2: Convert to fraction form
    1,038,107.60/1,556,969.40 = 289,998.80/x
  3. Step 3: Cross multiply
    1,038,107.60x = 1,556,969.40 × 289,998.80
  4. Step 4: Simplify right side
    1,038,107.60x = 451,519,257,636.72
  5. Step 5: Solve for x
    x = 451,519,257,636.72/1,038,107.60
  6. Step 6: Final answer
    x = 434,944.56

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1.5x scale

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.