Home / 859,571.12-1,289,614.26-346,972.34

Finding the Fourth Proportional to 859,571.12, 1,289,614.26 and 346,972.34

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Solution

The fourth proportional to 859,571.12, 1,289,614.26 and 346,972.34 is: 520,562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,571.12 : 1,289,614.26 = 346,972.34 : x
  2. Step 2: Convert to fraction form
    859,571.12/1,289,614.26 = 346,972.34/x
  3. Step 3: Cross multiply
    859,571.12x = 1,289,614.26 × 346,972.34
  4. Step 4: Simplify right side
    859,571.12x = 447,460,482,014.75
  5. Step 5: Solve for x
    x = 447,460,482,014.75/859,571.12
  6. Step 6: Final answer
    x = 520,562.49

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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.