Home / 1,288,706.40-1,933,059.60-650,977.20

Finding the Fourth Proportional to 1,288,706.40, 1,933,059.60 and 650,977.20

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Solution

The fourth proportional to 1,288,706.40, 1,933,059.60 and 650,977.20 is: 976,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,706.40 : 1,933,059.60 = 650,977.20 : x
  2. Step 2: Convert to fraction form
    1,288,706.40/1,933,059.60 = 650,977.20/x
  3. Step 3: Cross multiply
    1,288,706.40x = 1,933,059.60 × 650,977.20
  4. Step 4: Simplify right side
    1,288,706.40x = 1,258,377,725,841.12
  5. Step 5: Solve for x
    x = 1,258,377,725,841.12/1,288,706.40
  6. Step 6: Final answer
    x = 976,465.80

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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.