Home / 1,359,080.70-2,038,102.65-412,136.70

Finding the Fourth Proportional to 1,359,080.70, 2,038,102.65 and 412,136.70

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Solution

The fourth proportional to 1,359,080.70, 2,038,102.65 and 412,136.70 is: 618,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,080.70 : 2,038,102.65 = 412,136.70 : x
  2. Step 2: Convert to fraction form
    1,359,080.70/2,038,102.65 = 412,136.70/x
  3. Step 3: Cross multiply
    1,359,080.70x = 2,038,102.65 × 412,136.70
  4. Step 4: Simplify right side
    1,359,080.70x = 839,976,900,432.26
  5. Step 5: Solve for x
    x = 839,976,900,432.26/1,359,080.70
  6. Step 6: Final answer
    x = 618,047.85

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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.