Home / 1,491,037.02-2,236,624.65-426,230.46

Finding the Fourth Proportional to 1,491,037.02, 2,236,624.65 and 426,230.46

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Solution

The fourth proportional to 1,491,037.02, 2,236,624.65 and 426,230.46 is: 639,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,037.02 : 2,236,624.65 = 426,230.46 : x
  2. Step 2: Convert to fraction form
    1,491,037.02/2,236,624.65 = 426,230.46/x
  3. Step 3: Cross multiply
    1,491,037.02x = 2,236,624.65 × 426,230.46
  4. Step 4: Simplify right side
    1,491,037.02x = 953,317,553,416.84
  5. Step 5: Solve for x
    x = 953,317,553,416.84/1,491,037.02
  6. Step 6: Final answer
    x = 639,365.45

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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.