Home / 1,255,445.40-1,732,494.22-682,500

Finding the Fourth Proportional to 1,255,445.40, 1,732,494.22 and 682,500

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Solution

The fourth proportional to 1,255,445.40, 1,732,494.22 and 682,500 is: 941,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,445.40 : 1,732,494.22 = 682,500 : x
  2. Step 2: Convert to fraction form
    1,255,445.40/1,732,494.22 = 682,500/x
  3. Step 3: Cross multiply
    1,255,445.40x = 1,732,494.22 × 682,500
  4. Step 4: Simplify right side
    1,255,445.40x = 1,182,427,305,150
  5. Step 5: Solve for x
    x = 1,182,427,305,150/1,255,445.40
  6. Step 6: Final answer
    x = 941,838.89

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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.