Home / 681,030.90-1,019,991.15-401,094.90

Finding the Fourth Proportional to 681,030.90, 1,019,991.15 and 401,094.90

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Solution

The fourth proportional to 681,030.90, 1,019,991.15 and 401,094.90 is: 600,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,030.90 : 1,019,991.15 = 401,094.90 : x
  2. Step 2: Convert to fraction form
    681,030.90/1,019,991.15 = 401,094.90/x
  3. Step 3: Cross multiply
    681,030.90x = 1,019,991.15 × 401,094.90
  4. Step 4: Simplify right side
    681,030.90x = 409,113,248,310.14
  5. Step 5: Solve for x
    x = 409,113,248,310.14/681,030.90
  6. Step 6: Final answer
    x = 600,726.41

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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.