Home / 1,323,635.60-1,985,453.40-525,107.60

Finding the Fourth Proportional to 1,323,635.60, 1,985,453.40 and 525,107.60

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Solution

The fourth proportional to 1,323,635.60, 1,985,453.40 and 525,107.60 is: 787,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,635.60 : 1,985,453.40 = 525,107.60 : x
  2. Step 2: Convert to fraction form
    1,323,635.60/1,985,453.40 = 525,107.60/x
  3. Step 3: Cross multiply
    1,323,635.60x = 1,985,453.40 × 525,107.60
  4. Step 4: Simplify right side
    1,323,635.60x = 1,042,576,669,785.84
  5. Step 5: Solve for x
    x = 1,042,576,669,785.84/1,323,635.60
  6. Step 6: Final answer
    x = 787,661.40

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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.