Home / 2,576,643.60-3,865,402.80-779,512.80

Finding the Fourth Proportional to 2,576,643.60, 3,865,402.80 and 779,512.80

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Solution

The fourth proportional to 2,576,643.60, 3,865,402.80 and 779,512.80 is: 1,169,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,643.60 : 3,865,402.80 = 779,512.80 : x
  2. Step 2: Convert to fraction form
    2,576,643.60/3,865,402.80 = 779,512.80/x
  3. Step 3: Cross multiply
    2,576,643.60x = 3,865,402.80 × 779,512.80
  4. Step 4: Simplify right side
    2,576,643.60x = 3,013,130,959,755.84
  5. Step 5: Solve for x
    x = 3,013,130,959,755.84/2,576,643.60
  6. Step 6: Final answer
    x = 1,169,401.53

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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.