Home / 1,009,399.74-1,514,251.32-326,058.48

Finding the Fourth Proportional to 1,009,399.74, 1,514,251.32 and 326,058.48

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Solution

The fourth proportional to 1,009,399.74, 1,514,251.32 and 326,058.48 is: 489,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,399.74 : 1,514,251.32 = 326,058.48 : x
  2. Step 2: Convert to fraction form
    1,009,399.74/1,514,251.32 = 326,058.48/x
  3. Step 3: Cross multiply
    1,009,399.74x = 1,514,251.32 × 326,058.48
  4. Step 4: Simplify right side
    1,009,399.74x = 493,734,483,737.19
  5. Step 5: Solve for x
    x = 493,734,483,737.19/1,009,399.74
  6. Step 6: Final answer
    x = 489,136.73

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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.