Home / 885,775.29-1,326,665.34-411,462.51

Finding the Fourth Proportional to 885,775.29, 1,326,665.34 and 411,462.51

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Solution

The fourth proportional to 885,775.29, 1,326,665.34 and 411,462.51 is: 616,265.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,775.29 : 1,326,665.34 = 411,462.51 : x
  2. Step 2: Convert to fraction form
    885,775.29/1,326,665.34 = 411,462.51/x
  3. Step 3: Cross multiply
    885,775.29x = 1,326,665.34 × 411,462.51
  4. Step 4: Simplify right side
    885,775.29x = 545,873,050,726.40
  5. Step 5: Solve for x
    x = 545,873,050,726.40/885,775.29
  6. Step 6: Final answer
    x = 616,265.84

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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.