Home / 1,916,528.50-2,874,170.69-636,792.30

Finding the Fourth Proportional to 1,916,528.50, 2,874,170.69 and 636,792.30

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Solution

The fourth proportional to 1,916,528.50, 2,874,170.69 and 636,792.30 is: 954,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,528.50 : 2,874,170.69 = 636,792.30 : x
  2. Step 2: Convert to fraction form
    1,916,528.50/2,874,170.69 = 636,792.30/x
  3. Step 3: Cross multiply
    1,916,528.50x = 2,874,170.69 × 636,792.30
  4. Step 4: Simplify right side
    1,916,528.50x = 1,830,249,763,481.70
  5. Step 5: Solve for x
    x = 1,830,249,763,481.70/1,916,528.50
  6. Step 6: Final answer
    x = 954,981.76

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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.