Home / 1,071,408.24-1,607,060.28-397,620.81

Finding the Fourth Proportional to 1,071,408.24, 1,607,060.28 and 397,620.81

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Solution

The fourth proportional to 1,071,408.24, 1,607,060.28 and 397,620.81 is: 596,411.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,408.24 : 1,607,060.28 = 397,620.81 : x
  2. Step 2: Convert to fraction form
    1,071,408.24/1,607,060.28 = 397,620.81/x
  3. Step 3: Cross multiply
    1,071,408.24x = 1,607,060.28 × 397,620.81
  4. Step 4: Simplify right side
    1,071,408.24x = 639,000,610,252.43
  5. Step 5: Solve for x
    x = 639,000,610,252.43/1,071,408.24
  6. Step 6: Final answer
    x = 596,411.89

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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.