Home / 876,919.80-1,211,311.18-705,483.49

Finding the Fourth Proportional to 876,919.80, 1,211,311.18 and 705,483.49

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Solution

The fourth proportional to 876,919.80, 1,211,311.18 and 705,483.49 is: 974,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,919.80 : 1,211,311.18 = 705,483.49 : x
  2. Step 2: Convert to fraction form
    876,919.80/1,211,311.18 = 705,483.49/x
  3. Step 3: Cross multiply
    876,919.80x = 1,211,311.18 × 705,483.49
  4. Step 4: Simplify right side
    876,919.80x = 854,560,035,741.14
  5. Step 5: Solve for x
    x = 854,560,035,741.14/876,919.80
  6. Step 6: Final answer
    x = 974,501.93

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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.