Home / 822,975.60-1,232,495.10-665,511.60

Finding the Fourth Proportional to 822,975.60, 1,232,495.10 and 665,511.60

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Solution

The fourth proportional to 822,975.60, 1,232,495.10 and 665,511.60 is: 996,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,975.60 : 1,232,495.10 = 665,511.60 : x
  2. Step 2: Convert to fraction form
    822,975.60/1,232,495.10 = 665,511.60/x
  3. Step 3: Cross multiply
    822,975.60x = 1,232,495.10 × 665,511.60
  4. Step 4: Simplify right side
    822,975.60x = 820,239,785,993.16
  5. Step 5: Solve for x
    x = 820,239,785,993.16/822,975.60
  6. Step 6: Final answer
    x = 996,675.70

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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.