Home / 1,090,689.96-1,632,761.70-662,905.46

Finding the Fourth Proportional to 1,090,689.96, 1,632,761.70 and 662,905.46

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Solution

The fourth proportional to 1,090,689.96, 1,632,761.70 and 662,905.46 is: 992,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,689.96 : 1,632,761.70 = 662,905.46 : x
  2. Step 2: Convert to fraction form
    1,090,689.96/1,632,761.70 = 662,905.46/x
  3. Step 3: Cross multiply
    1,090,689.96x = 1,632,761.70 × 662,905.46
  4. Step 4: Simplify right side
    1,090,689.96x = 1,082,366,645,808.88
  5. Step 5: Solve for x
    x = 1,082,366,645,808.88/1,090,689.96
  6. Step 6: Final answer
    x = 992,368.76

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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.