Home / 539,621.88-744,741.18-448,817.64

Finding the Fourth Proportional to 539,621.88, 744,741.18 and 448,817.64

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Solution

The fourth proportional to 539,621.88, 744,741.18 and 448,817.64 is: 619,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,621.88 : 744,741.18 = 448,817.64 : x
  2. Step 2: Convert to fraction form
    539,621.88/744,741.18 = 448,817.64/x
  3. Step 3: Cross multiply
    539,621.88x = 744,741.18 × 448,817.64
  4. Step 4: Simplify right side
    539,621.88x = 334,252,978,818.42
  5. Step 5: Solve for x
    x = 334,252,978,818.42/539,621.88
  6. Step 6: Final answer
    x = 619,420.73

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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.