Home / 1,396,728.60-1,927,423.31-816,005.58

Finding the Fourth Proportional to 1,396,728.60, 1,927,423.31 and 816,005.58

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Solution

The fourth proportional to 1,396,728.60, 1,927,423.31 and 816,005.58 is: 1,126,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,728.60 : 1,927,423.31 = 816,005.58 : x
  2. Step 2: Convert to fraction form
    1,396,728.60/1,927,423.31 = 816,005.58/x
  3. Step 3: Cross multiply
    1,396,728.60x = 1,927,423.31 × 816,005.58
  4. Step 4: Simplify right side
    1,396,728.60x = 1,572,788,175,982.07
  5. Step 5: Solve for x
    x = 1,572,788,175,982.07/1,396,728.60
  6. Step 6: Final answer
    x = 1,126,051.39

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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.