Home / 1,461,660-2,017,098.89-817,107.36

Finding the Fourth Proportional to 1,461,660, 2,017,098.89 and 817,107.36

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Solution

The fourth proportional to 1,461,660, 2,017,098.89 and 817,107.36 is: 1,127,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,660 : 2,017,098.89 = 817,107.36 : x
  2. Step 2: Convert to fraction form
    1,461,660/2,017,098.89 = 817,107.36/x
  3. Step 3: Cross multiply
    1,461,660x = 2,017,098.89 × 817,107.36
  4. Step 4: Simplify right side
    1,461,660x = 1,648,186,348,866.83
  5. Step 5: Solve for x
    x = 1,648,186,348,866.83/1,461,660
  6. Step 6: Final answer
    x = 1,127,612.68

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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.