Home / 1,408,889.28-1,944,267.20-805,290.24

Finding the Fourth Proportional to 1,408,889.28, 1,944,267.20 and 805,290.24

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Solution

The fourth proportional to 1,408,889.28, 1,944,267.20 and 805,290.24 is: 1,111,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,889.28 : 1,944,267.20 = 805,290.24 : x
  2. Step 2: Convert to fraction form
    1,408,889.28/1,944,267.20 = 805,290.24/x
  3. Step 3: Cross multiply
    1,408,889.28x = 1,944,267.20 × 805,290.24
  4. Step 4: Simplify right side
    1,408,889.28x = 1,565,699,400,112.13
  5. Step 5: Solve for x
    x = 1,565,699,400,112.13/1,408,889.28
  6. Step 6: Final answer
    x = 1,111,300.53

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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.