Home / 681,100.95-1,021,785.66-201,337.14

Finding the Fourth Proportional to 681,100.95, 1,021,785.66 and 201,337.14

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Solution

The fourth proportional to 681,100.95, 1,021,785.66 and 201,337.14 is: 302,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,100.95 : 1,021,785.66 = 201,337.14 : x
  2. Step 2: Convert to fraction form
    681,100.95/1,021,785.66 = 201,337.14/x
  3. Step 3: Cross multiply
    681,100.95x = 1,021,785.66 × 201,337.14
  4. Step 4: Simplify right side
    681,100.95x = 205,723,402,477.41
  5. Step 5: Solve for x
    x = 205,723,402,477.41/681,100.95
  6. Step 6: Final answer
    x = 302,045.39

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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.