Home / 1,865,116.80-2,797,675.20-517,276.80

Finding the Fourth Proportional to 1,865,116.80, 2,797,675.20 and 517,276.80

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Solution

The fourth proportional to 1,865,116.80, 2,797,675.20 and 517,276.80 is: 775,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,116.80 : 2,797,675.20 = 517,276.80 : x
  2. Step 2: Convert to fraction form
    1,865,116.80/2,797,675.20 = 517,276.80/x
  3. Step 3: Cross multiply
    1,865,116.80x = 2,797,675.20 × 517,276.80
  4. Step 4: Simplify right side
    1,865,116.80x = 1,447,172,474,895.36
  5. Step 5: Solve for x
    x = 1,447,172,474,895.36/1,865,116.80
  6. Step 6: Final answer
    x = 775,915.20

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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.