Home / 764,211.75-1,053,500.72-534,054.47

Finding the Fourth Proportional to 764,211.75, 1,053,500.72 and 534,054.47

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Solution

The fourth proportional to 764,211.75, 1,053,500.72 and 534,054.47 is: 736,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,211.75 : 1,053,500.72 = 534,054.47 : x
  2. Step 2: Convert to fraction form
    764,211.75/1,053,500.72 = 534,054.47/x
  3. Step 3: Cross multiply
    764,211.75x = 1,053,500.72 × 534,054.47
  4. Step 4: Simplify right side
    764,211.75x = 562,626,760,726.44
  5. Step 5: Solve for x
    x = 562,626,760,726.44/764,211.75
  6. Step 6: Final answer
    x = 736,218.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.