Home / 886,412.70-1,328,841.45-531,567.90

Finding the Fourth Proportional to 886,412.70, 1,328,841.45 and 531,567.90

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Solution

The fourth proportional to 886,412.70, 1,328,841.45 and 531,567.90 is: 796,885.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,412.70 : 1,328,841.45 = 531,567.90 : x
  2. Step 2: Convert to fraction form
    886,412.70/1,328,841.45 = 531,567.90/x
  3. Step 3: Cross multiply
    886,412.70x = 1,328,841.45 × 531,567.90
  4. Step 4: Simplify right side
    886,412.70x = 706,369,459,009.46
  5. Step 5: Solve for x
    x = 706,369,459,009.46/886,412.70
  6. Step 6: Final answer
    x = 796,885.54

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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.