Home / 775,656.04-1,163,509.50-214,643.56

Finding the Fourth Proportional to 775,656.04, 1,163,509.50 and 214,643.56

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Solution

The fourth proportional to 775,656.04, 1,163,509.50 and 214,643.56 is: 321,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,656.04 : 1,163,509.50 = 214,643.56 : x
  2. Step 2: Convert to fraction form
    775,656.04/1,163,509.50 = 214,643.56/x
  3. Step 3: Cross multiply
    775,656.04x = 1,163,509.50 × 214,643.56
  4. Step 4: Simplify right side
    775,656.04x = 249,739,821,173.82
  5. Step 5: Solve for x
    x = 249,739,821,173.82/775,656.04
  6. Step 6: Final answer
    x = 321,972.38

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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.