Home / 1,005,032.98-1,507,830.87-406,414.51

Finding the Fourth Proportional to 1,005,032.98, 1,507,830.87 and 406,414.51

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Solution

The fourth proportional to 1,005,032.98, 1,507,830.87 and 406,414.51 is: 609,735.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,032.98 : 1,507,830.87 = 406,414.51 : x
  2. Step 2: Convert to fraction form
    1,005,032.98/1,507,830.87 = 406,414.51/x
  3. Step 3: Cross multiply
    1,005,032.98x = 1,507,830.87 × 406,414.51
  4. Step 4: Simplify right side
    1,005,032.98x = 612,804,347,572.33
  5. Step 5: Solve for x
    x = 612,804,347,572.33/1,005,032.98
  6. Step 6: Final answer
    x = 609,735.56

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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.