Home / 460,903.40-636,340.26-376,221.80

Finding the Fourth Proportional to 460,903.40, 636,340.26 and 376,221.80

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Solution

The fourth proportional to 460,903.40, 636,340.26 and 376,221.80 is: 519,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,903.40 : 636,340.26 = 376,221.80 : x
  2. Step 2: Convert to fraction form
    460,903.40/636,340.26 = 376,221.80/x
  3. Step 3: Cross multiply
    460,903.40x = 636,340.26 × 376,221.80
  4. Step 4: Simplify right side
    460,903.40x = 239,405,078,029.67
  5. Step 5: Solve for x
    x = 239,405,078,029.67/460,903.40
  6. Step 6: Final answer
    x = 519,425.71

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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.