Home / 967,987.40-1,451,981.10-931,245.80

Finding the Fourth Proportional to 967,987.40, 1,451,981.10 and 931,245.80

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Solution

The fourth proportional to 967,987.40, 1,451,981.10 and 931,245.80 is: 1,396,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,987.40 : 1,451,981.10 = 931,245.80 : x
  2. Step 2: Convert to fraction form
    967,987.40/1,451,981.10 = 931,245.80/x
  3. Step 3: Cross multiply
    967,987.40x = 1,451,981.10 × 931,245.80
  4. Step 4: Simplify right side
    967,987.40x = 1,352,151,301,054.38
  5. Step 5: Solve for x
    x = 1,352,151,301,054.38/967,987.40
  6. Step 6: Final answer
    x = 1,396,868.70

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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.