Home / 1,411,043.66-1,947,243.94-766,458.62

Finding the Fourth Proportional to 1,411,043.66, 1,947,243.94 and 766,458.62

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Solution

The fourth proportional to 1,411,043.66, 1,947,243.94 and 766,458.62 is: 1,057,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,043.66 : 1,947,243.94 = 766,458.62 : x
  2. Step 2: Convert to fraction form
    1,411,043.66/1,947,243.94 = 766,458.62/x
  3. Step 3: Cross multiply
    1,411,043.66x = 1,947,243.94 × 766,458.62
  4. Step 4: Simplify right side
    1,411,043.66x = 1,492,481,891,403.40
  5. Step 5: Solve for x
    x = 1,492,481,891,403.40/1,411,043.66
  6. Step 6: Final answer
    x = 1,057,714.90

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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.