Home / 1,109,530.61-1,664,343.38-435,757.98

Finding the Fourth Proportional to 1,109,530.61, 1,664,343.38 and 435,757.98

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Solution

The fourth proportional to 1,109,530.61, 1,664,343.38 and 435,757.98 is: 653,655.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,530.61 : 1,664,343.38 = 435,757.98 : x
  2. Step 2: Convert to fraction form
    1,109,530.61/1,664,343.38 = 435,757.98/x
  3. Step 3: Cross multiply
    1,109,530.61x = 1,664,343.38 × 435,757.98
  4. Step 4: Simplify right side
    1,109,530.61x = 725,250,904,812.79
  5. Step 5: Solve for x
    x = 725,250,904,812.79/1,109,530.61
  6. Step 6: Final answer
    x = 653,655.61

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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.