Home / 1,461,200.70-2,191,801.05-957,315.90

Finding the Fourth Proportional to 1,461,200.70, 2,191,801.05 and 957,315.90

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Solution

The fourth proportional to 1,461,200.70, 2,191,801.05 and 957,315.90 is: 1,435,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,200.70 : 2,191,801.05 = 957,315.90 : x
  2. Step 2: Convert to fraction form
    1,461,200.70/2,191,801.05 = 957,315.90/x
  3. Step 3: Cross multiply
    1,461,200.70x = 2,191,801.05 × 957,315.90
  4. Step 4: Simplify right side
    1,461,200.70x = 2,098,245,994,801.69
  5. Step 5: Solve for x
    x = 2,098,245,994,801.69/1,461,200.70
  6. Step 6: Final answer
    x = 1,435,973.85

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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.