Home / 1,440,062.54-2,159,370.60-480,178.34

Finding the Fourth Proportional to 1,440,062.54, 2,159,370.60 and 480,178.34

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Solution

The fourth proportional to 1,440,062.54, 2,159,370.60 and 480,178.34 is: 720,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,062.54 : 2,159,370.60 = 480,178.34 : x
  2. Step 2: Convert to fraction form
    1,440,062.54/2,159,370.60 = 480,178.34/x
  3. Step 3: Cross multiply
    1,440,062.54x = 2,159,370.60 × 480,178.34
  4. Step 4: Simplify right side
    1,440,062.54x = 1,036,882,979,355.95
  5. Step 5: Solve for x
    x = 1,036,882,979,355.95/1,440,062.54
  6. Step 6: Final answer
    x = 720,026.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.