Home / 704,925.92-1,058,438.60-285,021.92

Finding the Fourth Proportional to 704,925.92, 1,058,438.60 and 285,021.92

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Solution

The fourth proportional to 704,925.92, 1,058,438.60 and 285,021.92 is: 427,957.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,925.92 : 1,058,438.60 = 285,021.92 : x
  2. Step 2: Convert to fraction form
    704,925.92/1,058,438.60 = 285,021.92/x
  3. Step 3: Cross multiply
    704,925.92x = 1,058,438.60 × 285,021.92
  4. Step 4: Simplify right side
    704,925.92x = 301,678,201,974.11
  5. Step 5: Solve for x
    x = 301,678,201,974.11/704,925.92
  6. Step 6: Final answer
    x = 427,957.31

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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.