Home / 867,935.80-1,301,903.70-731,078.20

Finding the Fourth Proportional to 867,935.80, 1,301,903.70 and 731,078.20

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Solution

The fourth proportional to 867,935.80, 1,301,903.70 and 731,078.20 is: 1,096,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,935.80 : 1,301,903.70 = 731,078.20 : x
  2. Step 2: Convert to fraction form
    867,935.80/1,301,903.70 = 731,078.20/x
  3. Step 3: Cross multiply
    867,935.80x = 1,301,903.70 × 731,078.20
  4. Step 4: Simplify right side
    867,935.80x = 951,793,413,569.34
  5. Step 5: Solve for x
    x = 951,793,413,569.34/867,935.80
  6. Step 6: Final answer
    x = 1,096,617.30

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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.