Home / 1,105,037.40-1,656,000.90-818,491.80

Finding the Fourth Proportional to 1,105,037.40, 1,656,000.90 and 818,491.80

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Solution

The fourth proportional to 1,105,037.40, 1,656,000.90 and 818,491.80 is: 1,226,585.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,037.40 : 1,656,000.90 = 818,491.80 : x
  2. Step 2: Convert to fraction form
    1,105,037.40/1,656,000.90 = 818,491.80/x
  3. Step 3: Cross multiply
    1,105,037.40x = 1,656,000.90 × 818,491.80
  4. Step 4: Simplify right side
    1,105,037.40x = 1,355,423,157,442.62
  5. Step 5: Solve for x
    x = 1,355,423,157,442.62/1,105,037.40
  6. Step 6: Final answer
    x = 1,226,585.78

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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.