Home / 867,048.40-1,196,517.98-479,864.57

Finding the Fourth Proportional to 867,048.40, 1,196,517.98 and 479,864.57

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Solution

The fourth proportional to 867,048.40, 1,196,517.98 and 479,864.57 is: 662,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,048.40 : 1,196,517.98 = 479,864.57 : x
  2. Step 2: Convert to fraction form
    867,048.40/1,196,517.98 = 479,864.57/x
  3. Step 3: Cross multiply
    867,048.40x = 1,196,517.98 × 479,864.57
  4. Step 4: Simplify right side
    867,048.40x = 574,166,586,561.94
  5. Step 5: Solve for x
    x = 574,166,586,561.94/867,048.40
  6. Step 6: Final answer
    x = 662,208.23

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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.