Home / 1,408,881.28-1,944,256.16-805,282.24

Finding the Fourth Proportional to 1,408,881.28, 1,944,256.16 and 805,282.24

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Solution

The fourth proportional to 1,408,881.28, 1,944,256.16 and 805,282.24 is: 1,111,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,881.28 : 1,944,256.16 = 805,282.24 : x
  2. Step 2: Convert to fraction form
    1,408,881.28/1,944,256.16 = 805,282.24/x
  3. Step 3: Cross multiply
    1,408,881.28x = 1,944,256.16 × 805,282.24
  4. Step 4: Simplify right side
    1,408,881.28x = 1,565,674,955,658.60
  5. Step 5: Solve for x
    x = 1,565,674,955,658.60/1,408,881.28
  6. Step 6: Final answer
    x = 1,111,289.49

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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.