Home / 1,317,955.80-1,977,469.38-476,575.32

Finding the Fourth Proportional to 1,317,955.80, 1,977,469.38 and 476,575.32

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Solution

The fourth proportional to 1,317,955.80, 1,977,469.38 and 476,575.32 is: 715,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,955.80 : 1,977,469.38 = 476,575.32 : x
  2. Step 2: Convert to fraction form
    1,317,955.80/1,977,469.38 = 476,575.32/x
  3. Step 3: Cross multiply
    1,317,955.80x = 1,977,469.38 × 476,575.32
  4. Step 4: Simplify right side
    1,317,955.80x = 942,413,102,563.70
  5. Step 5: Solve for x
    x = 942,413,102,563.70/1,317,955.80
  6. Step 6: Final answer
    x = 715,056.68

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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.