Home / 885,775.35-1,326,665.43-411,462.57

Finding the Fourth Proportional to 885,775.35, 1,326,665.43 and 411,462.57

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Solution

The fourth proportional to 885,775.35, 1,326,665.43 and 411,462.57 is: 616,265.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,775.35 : 1,326,665.43 = 411,462.57 : x
  2. Step 2: Convert to fraction form
    885,775.35/1,326,665.43 = 411,462.57/x
  3. Step 3: Cross multiply
    885,775.35x = 1,326,665.43 × 411,462.57
  4. Step 4: Simplify right side
    885,775.35x = 545,873,167,357.96
  5. Step 5: Solve for x
    x = 545,873,167,357.96/885,775.35
  6. Step 6: Final answer
    x = 616,265.93

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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.