Home / 1,487,778.09-2,053,135.14-808,714.59

Finding the Fourth Proportional to 1,487,778.09, 2,053,135.14 and 808,714.59

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Solution

The fourth proportional to 1,487,778.09, 2,053,135.14 and 808,714.59 is: 1,116,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,778.09 : 2,053,135.14 = 808,714.59 : x
  2. Step 2: Convert to fraction form
    1,487,778.09/2,053,135.14 = 808,714.59/x
  3. Step 3: Cross multiply
    1,487,778.09x = 2,053,135.14 × 808,714.59
  4. Step 4: Simplify right side
    1,487,778.09x = 1,660,400,342,959.69
  5. Step 5: Solve for x
    x = 1,660,400,342,959.69/1,487,778.09
  6. Step 6: Final answer
    x = 1,116,026.88

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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.