Home / 1,049,689.86-1,574,524.44-480,909.60

Finding the Fourth Proportional to 1,049,689.86, 1,574,524.44 and 480,909.60

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Solution

The fourth proportional to 1,049,689.86, 1,574,524.44 and 480,909.60 is: 721,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,689.86 : 1,574,524.44 = 480,909.60 : x
  2. Step 2: Convert to fraction form
    1,049,689.86/1,574,524.44 = 480,909.60/x
  3. Step 3: Cross multiply
    1,049,689.86x = 1,574,524.44 × 480,909.60
  4. Step 4: Simplify right side
    1,049,689.86x = 757,203,918,630.62
  5. Step 5: Solve for x
    x = 757,203,918,630.62/1,049,689.86
  6. Step 6: Final answer
    x = 721,359.66

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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.