Home / 1,258,951.83-1,888,985.93-659,770.53

Finding the Fourth Proportional to 1,258,951.83, 1,888,985.93 and 659,770.53

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Solution

The fourth proportional to 1,258,951.83, 1,888,985.93 and 659,770.53 is: 989,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,951.83 : 1,888,985.93 = 659,770.53 : x
  2. Step 2: Convert to fraction form
    1,258,951.83/1,888,985.93 = 659,770.53/x
  3. Step 3: Cross multiply
    1,258,951.83x = 1,888,985.93 × 659,770.53
  4. Step 4: Simplify right side
    1,258,951.83x = 1,246,297,248,198.64
  5. Step 5: Solve for x
    x = 1,246,297,248,198.64/1,258,951.83
  6. Step 6: Final answer
    x = 989,948.32

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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.