Home / 1,920,120.88-2,877,025.56-657,259.60

Finding the Fourth Proportional to 1,920,120.88, 2,877,025.56 and 657,259.60

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Solution

The fourth proportional to 1,920,120.88, 2,877,025.56 and 657,259.60 is: 984,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,120.88 : 2,877,025.56 = 657,259.60 : x
  2. Step 2: Convert to fraction form
    1,920,120.88/2,877,025.56 = 657,259.60/x
  3. Step 3: Cross multiply
    1,920,120.88x = 2,877,025.56 × 657,259.60
  4. Step 4: Simplify right side
    1,920,120.88x = 1,890,952,668,755.38
  5. Step 5: Solve for x
    x = 1,890,952,668,755.38/1,920,120.88
  6. Step 6: Final answer
    x = 984,809.18

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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.