Home / 1,341,515.40-1,851,289.90-768,557.84

Finding the Fourth Proportional to 1,341,515.40, 1,851,289.90 and 768,557.84

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Solution

The fourth proportional to 1,341,515.40, 1,851,289.90 and 768,557.84 is: 1,060,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,515.40 : 1,851,289.90 = 768,557.84 : x
  2. Step 2: Convert to fraction form
    1,341,515.40/1,851,289.90 = 768,557.84/x
  3. Step 3: Cross multiply
    1,341,515.40x = 1,851,289.90 × 768,557.84
  4. Step 4: Simplify right side
    1,341,515.40x = 1,422,823,366,757.82
  5. Step 5: Solve for x
    x = 1,422,823,366,757.82/1,341,515.40
  6. Step 6: Final answer
    x = 1,060,609.04

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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.