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Finding the Fourth Proportional to 1,172,801.60, 1,762,701.60 and 1,018,836.80

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Solution

The fourth proportional to 1,172,801.60, 1,762,701.60 and 1,018,836.80 is: 1,531,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,801.60 : 1,762,701.60 = 1,018,836.80 : x
  2. Step 2: Convert to fraction form
    1,172,801.60/1,762,701.60 = 1,018,836.80/x
  3. Step 3: Cross multiply
    1,172,801.60x = 1,762,701.60 × 1,018,836.80
  4. Step 4: Simplify right side
    1,172,801.60x = 1,795,905,257,498.88
  5. Step 5: Solve for x
    x = 1,795,905,257,498.88/1,172,801.60
  6. Step 6: Final answer
    x = 1,531,295.03

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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.