Home / 1,450,129.56-2,001,123.16-805,590.28

Finding the Fourth Proportional to 1,450,129.56, 2,001,123.16 and 805,590.28

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Solution

The fourth proportional to 1,450,129.56, 2,001,123.16 and 805,590.28 is: 1,111,683.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,129.56 : 2,001,123.16 = 805,590.28 : x
  2. Step 2: Convert to fraction form
    1,450,129.56/2,001,123.16 = 805,590.28/x
  3. Step 3: Cross multiply
    1,450,129.56x = 2,001,123.16 × 805,590.28
  4. Step 4: Simplify right side
    1,450,129.56x = 1,612,085,366,778.88
  5. Step 5: Solve for x
    x = 1,612,085,366,778.88/1,450,129.56
  6. Step 6: Final answer
    x = 1,111,683.68

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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.