Home / 1,275,881.04-1,914,096.15-636,528.60

Finding the Fourth Proportional to 1,275,881.04, 1,914,096.15 and 636,528.60

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Solution

The fourth proportional to 1,275,881.04, 1,914,096.15 and 636,528.60 is: 954,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,881.04 : 1,914,096.15 = 636,528.60 : x
  2. Step 2: Convert to fraction form
    1,275,881.04/1,914,096.15 = 636,528.60/x
  3. Step 3: Cross multiply
    1,275,881.04x = 1,914,096.15 × 636,528.60
  4. Step 4: Simplify right side
    1,275,881.04x = 1,218,376,942,624.89
  5. Step 5: Solve for x
    x = 1,218,376,942,624.89/1,275,881.04
  6. Step 6: Final answer
    x = 954,929.89

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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.