Home / 577,110.83-865,664.50-405,626.54

Finding the Fourth Proportional to 577,110.83, 865,664.50 and 405,626.54

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Solution

The fourth proportional to 577,110.83, 865,664.50 and 405,626.54 is: 608,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,110.83 : 865,664.50 = 405,626.54 : x
  2. Step 2: Convert to fraction form
    577,110.83/865,664.50 = 405,626.54/x
  3. Step 3: Cross multiply
    577,110.83x = 865,664.50 × 405,626.54
  4. Step 4: Simplify right side
    577,110.83x = 351,136,495,935.83
  5. Step 5: Solve for x
    x = 351,136,495,935.83/577,110.83
  6. Step 6: Final answer
    x = 608,438.58

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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.