Home / 867,478.35-1,196,280.32-676,422.03

Finding the Fourth Proportional to 867,478.35, 1,196,280.32 and 676,422.03

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Solution

The fourth proportional to 867,478.35, 1,196,280.32 and 676,422.03 is: 932,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,478.35 : 1,196,280.32 = 676,422.03 : x
  2. Step 2: Convert to fraction form
    867,478.35/1,196,280.32 = 676,422.03/x
  3. Step 3: Cross multiply
    867,478.35x = 1,196,280.32 × 676,422.03
  4. Step 4: Simplify right side
    867,478.35x = 809,190,359,121.34
  5. Step 5: Solve for x
    x = 809,190,359,121.34/867,478.35
  6. Step 6: Final answer
    x = 932,807.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.