Home / 1,029,801.60-1,419,703.20-647,611.20

Finding the Fourth Proportional to 1,029,801.60, 1,419,703.20 and 647,611.20

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Solution

The fourth proportional to 1,029,801.60, 1,419,703.20 and 647,611.20 is: 892,808.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,801.60 : 1,419,703.20 = 647,611.20 : x
  2. Step 2: Convert to fraction form
    1,029,801.60/1,419,703.20 = 647,611.20/x
  3. Step 3: Cross multiply
    1,029,801.60x = 1,419,703.20 × 647,611.20
  4. Step 4: Simplify right side
    1,029,801.60x = 919,415,692,995.84
  5. Step 5: Solve for x
    x = 919,415,692,995.84/1,029,801.60
  6. Step 6: Final answer
    x = 892,808.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.