Home / 1,218,063.18-1,680,884.28-674,200.02

Finding the Fourth Proportional to 1,218,063.18, 1,680,884.28 and 674,200.02

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Solution

The fourth proportional to 1,218,063.18, 1,680,884.28 and 674,200.02 is: 930,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,063.18 : 1,680,884.28 = 674,200.02 : x
  2. Step 2: Convert to fraction form
    1,218,063.18/1,680,884.28 = 674,200.02/x
  3. Step 3: Cross multiply
    1,218,063.18x = 1,680,884.28 × 674,200.02
  4. Step 4: Simplify right side
    1,218,063.18x = 1,133,252,215,193.69
  5. Step 5: Solve for x
    x = 1,133,252,215,193.69/1,218,063.18
  6. Step 6: Final answer
    x = 930,372.28

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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.