Home / 954,942.30-1,317,378.60-572,304.78

Finding the Fourth Proportional to 954,942.30, 1,317,378.60 and 572,304.78

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Solution

The fourth proportional to 954,942.30, 1,317,378.60 and 572,304.78 is: 789,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,942.30 : 1,317,378.60 = 572,304.78 : x
  2. Step 2: Convert to fraction form
    954,942.30/1,317,378.60 = 572,304.78/x
  3. Step 3: Cross multiply
    954,942.30x = 1,317,378.60 × 572,304.78
  4. Step 4: Simplify right side
    954,942.30x = 753,942,069,849.71
  5. Step 5: Solve for x
    x = 753,942,069,849.71/954,942.30
  6. Step 6: Final answer
    x = 789,515.84

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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.