Home / 751,417.95-1,036,996.52-411,900.51

Finding the Fourth Proportional to 751,417.95, 1,036,996.52 and 411,900.51

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Solution

The fourth proportional to 751,417.95, 1,036,996.52 and 411,900.51 is: 568,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,417.95 : 1,036,996.52 = 411,900.51 : x
  2. Step 2: Convert to fraction form
    751,417.95/1,036,996.52 = 411,900.51/x
  3. Step 3: Cross multiply
    751,417.95x = 1,036,996.52 × 411,900.51
  4. Step 4: Simplify right side
    751,417.95x = 427,139,395,456.23
  5. Step 5: Solve for x
    x = 427,139,395,456.23/751,417.95
  6. Step 6: Final answer
    x = 568,444.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.