Home / 1,216,841.60-1,825,387.60-459,321.12

Finding the Fourth Proportional to 1,216,841.60, 1,825,387.60 and 459,321.12

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Solution

The fourth proportional to 1,216,841.60, 1,825,387.60 and 459,321.12 is: 689,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,841.60 : 1,825,387.60 = 459,321.12 : x
  2. Step 2: Convert to fraction form
    1,216,841.60/1,825,387.60 = 459,321.12/x
  3. Step 3: Cross multiply
    1,216,841.60x = 1,825,387.60 × 459,321.12
  4. Step 4: Simplify right side
    1,216,841.60x = 838,439,076,866.11
  5. Step 5: Solve for x
    x = 838,439,076,866.11/1,216,841.60
  6. Step 6: Final answer
    x = 689,028.94

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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.