Home / 1,288,204.40-1,929,363.60-614,758.64

Finding the Fourth Proportional to 1,288,204.40, 1,929,363.60 and 614,758.64

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Solution

The fourth proportional to 1,288,204.40, 1,929,363.60 and 614,758.64 is: 920,733.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,204.40 : 1,929,363.60 = 614,758.64 : x
  2. Step 2: Convert to fraction form
    1,288,204.40/1,929,363.60 = 614,758.64/x
  3. Step 3: Cross multiply
    1,288,204.40x = 1,929,363.60 × 614,758.64
  4. Step 4: Simplify right side
    1,288,204.40x = 1,186,092,942,801.50
  5. Step 5: Solve for x
    x = 1,186,092,942,801.50/1,288,204.40
  6. Step 6: Final answer
    x = 920,733.50

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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.