Home / 1,369,444.73-1,889,494.19-885,427.45

Finding the Fourth Proportional to 1,369,444.73, 1,889,494.19 and 885,427.45

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Solution

The fourth proportional to 1,369,444.73, 1,889,494.19 and 885,427.45 is: 1,221,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,444.73 : 1,889,494.19 = 885,427.45 : x
  2. Step 2: Convert to fraction form
    1,369,444.73/1,889,494.19 = 885,427.45/x
  3. Step 3: Cross multiply
    1,369,444.73x = 1,889,494.19 × 885,427.45
  4. Step 4: Simplify right side
    1,369,444.73x = 1,673,010,027,239.40
  5. Step 5: Solve for x
    x = 1,673,010,027,239.40/1,369,444.73
  6. Step 6: Final answer
    x = 1,221,670.36

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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.