Home / 691,058.11-1,036,639.65-235,507.77

Finding the Fourth Proportional to 691,058.11, 1,036,639.65 and 235,507.77

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Solution

The fourth proportional to 691,058.11, 1,036,639.65 and 235,507.77 is: 353,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,058.11 : 1,036,639.65 = 235,507.77 : x
  2. Step 2: Convert to fraction form
    691,058.11/1,036,639.65 = 235,507.77/x
  3. Step 3: Cross multiply
    691,058.11x = 1,036,639.65 × 235,507.77
  4. Step 4: Simplify right side
    691,058.11x = 244,136,692,265.08
  5. Step 5: Solve for x
    x = 244,136,692,265.08/691,058.11
  6. Step 6: Final answer
    x = 353,279.54

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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.