Home / 1,440,001.71-1,987,196.29-795,421.91

Finding the Fourth Proportional to 1,440,001.71, 1,987,196.29 and 795,421.91

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Solution

The fourth proportional to 1,440,001.71, 1,987,196.29 and 795,421.91 is: 1,097,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,001.71 : 1,987,196.29 = 795,421.91 : x
  2. Step 2: Convert to fraction form
    1,440,001.71/1,987,196.29 = 795,421.91/x
  3. Step 3: Cross multiply
    1,440,001.71x = 1,987,196.29 × 795,421.91
  4. Step 4: Simplify right side
    1,440,001.71x = 1,580,659,454,623.62
  5. Step 5: Solve for x
    x = 1,580,659,454,623.62/1,440,001.71
  6. Step 6: Final answer
    x = 1,097,678.88

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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.