Home / 965,200.60-1,447,800.90-858,912.40

Finding the Fourth Proportional to 965,200.60, 1,447,800.90 and 858,912.40

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Solution

The fourth proportional to 965,200.60, 1,447,800.90 and 858,912.40 is: 1,288,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,200.60 : 1,447,800.90 = 858,912.40 : x
  2. Step 2: Convert to fraction form
    965,200.60/1,447,800.90 = 858,912.40/x
  3. Step 3: Cross multiply
    965,200.60x = 1,447,800.90 × 858,912.40
  4. Step 4: Simplify right side
    965,200.60x = 1,243,534,145,741.16
  5. Step 5: Solve for x
    x = 1,243,534,145,741.16/965,200.60
  6. Step 6: Final answer
    x = 1,288,368.60

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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.