Home / 914,066.12-1,373,201.28-644,813.96

Finding the Fourth Proportional to 914,066.12, 1,373,201.28 and 644,813.96

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Solution

The fourth proportional to 914,066.12, 1,373,201.28 and 644,813.96 is: 968,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,066.12 : 1,373,201.28 = 644,813.96 : x
  2. Step 2: Convert to fraction form
    914,066.12/1,373,201.28 = 644,813.96/x
  3. Step 3: Cross multiply
    914,066.12x = 1,373,201.28 × 644,813.96
  4. Step 4: Simplify right side
    914,066.12x = 885,459,355,233.87
  5. Step 5: Solve for x
    x = 885,459,355,233.87/914,066.12
  6. Step 6: Final answer
    x = 968,703.83

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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.