Home / 1,370,448.66-1,891,935.45-854,359.86

Finding the Fourth Proportional to 1,370,448.66, 1,891,935.45 and 854,359.86

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Solution

The fourth proportional to 1,370,448.66, 1,891,935.45 and 854,359.86 is: 1,179,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,448.66 : 1,891,935.45 = 854,359.86 : x
  2. Step 2: Convert to fraction form
    1,370,448.66/1,891,935.45 = 854,359.86/x
  3. Step 3: Cross multiply
    1,370,448.66x = 1,891,935.45 × 854,359.86
  4. Step 4: Simplify right side
    1,370,448.66x = 1,616,393,706,191.04
  5. Step 5: Solve for x
    x = 1,616,393,706,191.04/1,370,448.66
  6. Step 6: Final answer
    x = 1,179,463.16

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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.