Home / 1,200,312.72-1,801,415.52-526,858.92

Finding the Fourth Proportional to 1,200,312.72, 1,801,415.52 and 526,858.92

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Solution

The fourth proportional to 1,200,312.72, 1,801,415.52 and 526,858.92 is: 790,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,312.72 : 1,801,415.52 = 526,858.92 : x
  2. Step 2: Convert to fraction form
    1,200,312.72/1,801,415.52 = 526,858.92/x
  3. Step 3: Cross multiply
    1,200,312.72x = 1,801,415.52 × 526,858.92
  4. Step 4: Simplify right side
    1,200,312.72x = 949,091,835,338.44
  5. Step 5: Solve for x
    x = 949,091,835,338.44/1,200,312.72
  6. Step 6: Final answer
    x = 790,703.81

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1.5x scale

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.