Home / 460,905.40-636,343.02-376,223.80

Finding the Fourth Proportional to 460,905.40, 636,343.02 and 376,223.80

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Solution

The fourth proportional to 460,905.40, 636,343.02 and 376,223.80 is: 519,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,905.40 : 636,343.02 = 376,223.80 : x
  2. Step 2: Convert to fraction form
    460,905.40/636,343.02 = 376,223.80/x
  3. Step 3: Cross multiply
    460,905.40x = 636,343.02 × 376,223.80
  4. Step 4: Simplify right side
    460,905.40x = 239,407,389,087.88
  5. Step 5: Solve for x
    x = 239,407,389,087.88/460,905.40
  6. Step 6: Final answer
    x = 519,428.48

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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.