Home / 907,371.40-1,361,057.10-636,766.60

Finding the Fourth Proportional to 907,371.40, 1,361,057.10 and 636,766.60

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Solution

The fourth proportional to 907,371.40, 1,361,057.10 and 636,766.60 is: 955,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,371.40 : 1,361,057.10 = 636,766.60 : x
  2. Step 2: Convert to fraction form
    907,371.40/1,361,057.10 = 636,766.60/x
  3. Step 3: Cross multiply
    907,371.40x = 1,361,057.10 × 636,766.60
  4. Step 4: Simplify right side
    907,371.40x = 866,675,701,972.86
  5. Step 5: Solve for x
    x = 866,675,701,972.86/907,371.40
  6. Step 6: Final answer
    x = 955,149.90

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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.