Home / 681,245.14-940,119.16-371,146.18

Finding the Fourth Proportional to 681,245.14, 940,119.16 and 371,146.18

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Solution

The fourth proportional to 681,245.14, 940,119.16 and 371,146.18 is: 512,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,245.14 : 940,119.16 = 371,146.18 : x
  2. Step 2: Convert to fraction form
    681,245.14/940,119.16 = 371,146.18/x
  3. Step 3: Cross multiply
    681,245.14x = 940,119.16 × 371,146.18
  4. Step 4: Simplify right side
    681,245.14x = 348,921,634,978.81
  5. Step 5: Solve for x
    x = 348,921,634,978.81/681,245.14
  6. Step 6: Final answer
    x = 512,182.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.