Home / 1,271,823.40-1,907,735.10-514,027.90

Finding the Fourth Proportional to 1,271,823.40, 1,907,735.10 and 514,027.90

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Solution

The fourth proportional to 1,271,823.40, 1,907,735.10 and 514,027.90 is: 771,041.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,823.40 : 1,907,735.10 = 514,027.90 : x
  2. Step 2: Convert to fraction form
    1,271,823.40/1,907,735.10 = 514,027.90/x
  3. Step 3: Cross multiply
    1,271,823.40x = 1,907,735.10 × 514,027.90
  4. Step 4: Simplify right side
    1,271,823.40x = 980,629,067,209.29
  5. Step 5: Solve for x
    x = 980,629,067,209.29/1,271,823.40
  6. Step 6: Final answer
    x = 771,041.85

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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.