Home / 867,325.31-1,196,918.35-480,147.15

Finding the Fourth Proportional to 867,325.31, 1,196,918.35 and 480,147.15

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Solution

The fourth proportional to 867,325.31, 1,196,918.35 and 480,147.15 is: 662,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,325.31 : 1,196,918.35 = 480,147.15 : x
  2. Step 2: Convert to fraction form
    867,325.31/1,196,918.35 = 480,147.15/x
  3. Step 3: Cross multiply
    867,325.31x = 1,196,918.35 × 480,147.15
  4. Step 4: Simplify right side
    867,325.31x = 574,696,934,535.20
  5. Step 5: Solve for x
    x = 574,696,934,535.20/867,325.31
  6. Step 6: Final answer
    x = 662,608.28

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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.