Home / 979,627.80-1,467,473.40-558,411.60

Finding the Fourth Proportional to 979,627.80, 1,467,473.40 and 558,411.60

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Solution

The fourth proportional to 979,627.80, 1,467,473.40 and 558,411.60 is: 836,495.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,627.80 : 1,467,473.40 = 558,411.60 : x
  2. Step 2: Convert to fraction form
    979,627.80/1,467,473.40 = 558,411.60/x
  3. Step 3: Cross multiply
    979,627.80x = 1,467,473.40 × 558,411.60
  4. Step 4: Simplify right side
    979,627.80x = 819,454,169,251.44
  5. Step 5: Solve for x
    x = 819,454,169,251.44/979,627.80
  6. Step 6: Final answer
    x = 836,495.42

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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.