Home / 1,918,360.40-2,877,540.60-655,998.80

Finding the Fourth Proportional to 1,918,360.40, 2,877,540.60 and 655,998.80

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Solution

The fourth proportional to 1,918,360.40, 2,877,540.60 and 655,998.80 is: 983,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,360.40 : 2,877,540.60 = 655,998.80 : x
  2. Step 2: Convert to fraction form
    1,918,360.40/2,877,540.60 = 655,998.80/x
  3. Step 3: Cross multiply
    1,918,360.40x = 2,877,540.60 × 655,998.80
  4. Step 4: Simplify right side
    1,918,360.40x = 1,887,663,180,551.28
  5. Step 5: Solve for x
    x = 1,887,663,180,551.28/1,918,360.40
  6. Step 6: Final answer
    x = 983,998.20

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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.