Home / 1,178,136.20-1,767,434.70-468,043.40

Finding the Fourth Proportional to 1,178,136.20, 1,767,434.70 and 468,043.40

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Solution

The fourth proportional to 1,178,136.20, 1,767,434.70 and 468,043.40 is: 702,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,136.20 : 1,767,434.70 = 468,043.40 : x
  2. Step 2: Convert to fraction form
    1,178,136.20/1,767,434.70 = 468,043.40/x
  3. Step 3: Cross multiply
    1,178,136.20x = 1,767,434.70 × 468,043.40
  4. Step 4: Simplify right side
    1,178,136.20x = 827,236,146,265.98
  5. Step 5: Solve for x
    x = 827,236,146,265.98/1,178,136.20
  6. Step 6: Final answer
    x = 702,156.63

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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.