Home / 1,918,019.40-2,877,029.10-655,734.60

Finding the Fourth Proportional to 1,918,019.40, 2,877,029.10 and 655,734.60

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Solution

The fourth proportional to 1,918,019.40, 2,877,029.10 and 655,734.60 is: 983,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,019.40 : 2,877,029.10 = 655,734.60 : x
  2. Step 2: Convert to fraction form
    1,918,019.40/2,877,029.10 = 655,734.60/x
  3. Step 3: Cross multiply
    1,918,019.40x = 2,877,029.10 × 655,734.60
  4. Step 4: Simplify right side
    1,918,019.40x = 1,886,567,526,076.86
  5. Step 5: Solve for x
    x = 1,886,567,526,076.86/1,918,019.40
  6. Step 6: Final answer
    x = 983,601.90

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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.