Home / 869,628.40-1,200,099.14-651,450.56

Finding the Fourth Proportional to 869,628.40, 1,200,099.14 and 651,450.56

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Solution

The fourth proportional to 869,628.40, 1,200,099.14 and 651,450.56 is: 899,010.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,628.40 : 1,200,099.14 = 651,450.56 : x
  2. Step 2: Convert to fraction form
    869,628.40/1,200,099.14 = 651,450.56/x
  3. Step 3: Cross multiply
    869,628.40x = 1,200,099.14 × 651,450.56
  4. Step 4: Simplify right side
    869,628.40x = 781,805,256,808.52
  5. Step 5: Solve for x
    x = 781,805,256,808.52/869,628.40
  6. Step 6: Final answer
    x = 899,010.72

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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.