Home / 681,953.15-1,021,601.10-415,051.67

Finding the Fourth Proportional to 681,953.15, 1,021,601.10 and 415,051.67

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Solution

The fourth proportional to 681,953.15, 1,021,601.10 and 415,051.67 is: 621,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,953.15 : 1,021,601.10 = 415,051.67 : x
  2. Step 2: Convert to fraction form
    681,953.15/1,021,601.10 = 415,051.67/x
  3. Step 3: Cross multiply
    681,953.15x = 1,021,601.10 × 415,051.67
  4. Step 4: Simplify right side
    681,953.15x = 424,017,237,520.83
  5. Step 5: Solve for x
    x = 424,017,237,520.83/681,953.15
  6. Step 6: Final answer
    x = 621,768.87

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1.5x scale

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.