Home / 811,511.60-1,216,230.60-623,591.60

Finding the Fourth Proportional to 811,511.60, 1,216,230.60 and 623,591.60

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Solution

The fourth proportional to 811,511.60, 1,216,230.60 and 623,591.60 is: 934,590.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,511.60 : 1,216,230.60 = 623,591.60 : x
  2. Step 2: Convert to fraction form
    811,511.60/1,216,230.60 = 623,591.60/x
  3. Step 3: Cross multiply
    811,511.60x = 1,216,230.60 × 623,591.60
  4. Step 4: Simplify right side
    811,511.60x = 758,431,185,822.96
  5. Step 5: Solve for x
    x = 758,431,185,822.96/811,511.60
  6. Step 6: Final answer
    x = 934,590.69

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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.