Home / 1,939,219.20-2,908,828.80-609,523.20

Finding the Fourth Proportional to 1,939,219.20, 2,908,828.80 and 609,523.20

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Solution

The fourth proportional to 1,939,219.20, 2,908,828.80 and 609,523.20 is: 914,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,219.20 : 2,908,828.80 = 609,523.20 : x
  2. Step 2: Convert to fraction form
    1,939,219.20/2,908,828.80 = 609,523.20/x
  3. Step 3: Cross multiply
    1,939,219.20x = 2,908,828.80 × 609,523.20
  4. Step 4: Simplify right side
    1,939,219.20x = 1,772,998,638,428.16
  5. Step 5: Solve for x
    x = 1,772,998,638,428.16/1,939,219.20
  6. Step 6: Final answer
    x = 914,284.80

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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.