Home / 1,989,758.40-2,983,543.20-1,359,384

Finding the Fourth Proportional to 1,989,758.40, 2,983,543.20 and 1,359,384

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Solution

The fourth proportional to 1,989,758.40, 2,983,543.20 and 1,359,384 is: 2,038,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,758.40 : 2,983,543.20 = 1,359,384 : x
  2. Step 2: Convert to fraction form
    1,989,758.40/2,983,543.20 = 1,359,384/x
  3. Step 3: Cross multiply
    1,989,758.40x = 2,983,543.20 × 1,359,384
  4. Step 4: Simplify right side
    1,989,758.40x = 4,055,780,889,388.80
  5. Step 5: Solve for x
    x = 4,055,780,889,388.80/1,989,758.40
  6. Step 6: Final answer
    x = 2,038,328.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.