Home / 1,079,573.90-1,619,366.13-439,884

Finding the Fourth Proportional to 1,079,573.90, 1,619,366.13 and 439,884

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Solution

The fourth proportional to 1,079,573.90, 1,619,366.13 and 439,884 is: 659,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,573.90 : 1,619,366.13 = 439,884 : x
  2. Step 2: Convert to fraction form
    1,079,573.90/1,619,366.13 = 439,884/x
  3. Step 3: Cross multiply
    1,079,573.90x = 1,619,366.13 × 439,884
  4. Step 4: Simplify right side
    1,079,573.90x = 712,333,250,728.92
  5. Step 5: Solve for x
    x = 712,333,250,728.92/1,079,573.90
  6. Step 6: Final answer
    x = 659,828.15

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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.