Home / 1,487,936.90-2,053,295.78-808,873.40

Finding the Fourth Proportional to 1,487,936.90, 2,053,295.78 and 808,873.40

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Solution

The fourth proportional to 1,487,936.90, 2,053,295.78 and 808,873.40 is: 1,116,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,936.90 : 2,053,295.78 = 808,873.40 : x
  2. Step 2: Convert to fraction form
    1,487,936.90/2,053,295.78 = 808,873.40/x
  3. Step 3: Cross multiply
    1,487,936.90x = 2,053,295.78 × 808,873.40
  4. Step 4: Simplify right side
    1,487,936.90x = 1,660,856,338,774.25
  5. Step 5: Solve for x
    x = 1,660,856,338,774.25/1,487,936.90
  6. Step 6: Final answer
    x = 1,116,214.23

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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.