Home / 1,491,712.16-2,237,623.66-480,848.70

Finding the Fourth Proportional to 1,491,712.16, 2,237,623.66 and 480,848.70

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Solution

The fourth proportional to 1,491,712.16, 2,237,623.66 and 480,848.70 is: 721,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,712.16 : 2,237,623.66 = 480,848.70 : x
  2. Step 2: Convert to fraction form
    1,491,712.16/2,237,623.66 = 480,848.70/x
  3. Step 3: Cross multiply
    1,491,712.16x = 2,237,623.66 × 480,848.70
  4. Step 4: Simplify right side
    1,491,712.16x = 1,075,958,428,000.24
  5. Step 5: Solve for x
    x = 1,075,958,428,000.24/1,491,712.16
  6. Step 6: Final answer
    x = 721,290.91

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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.