Home / 985,539.96-1,477,674.32-386,561.66

Finding the Fourth Proportional to 985,539.96, 1,477,674.32 and 386,561.66

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Solution

The fourth proportional to 985,539.96, 1,477,674.32 and 386,561.66 is: 579,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,539.96 : 1,477,674.32 = 386,561.66 : x
  2. Step 2: Convert to fraction form
    985,539.96/1,477,674.32 = 386,561.66/x
  3. Step 3: Cross multiply
    985,539.96x = 1,477,674.32 × 386,561.66
  4. Step 4: Simplify right side
    985,539.96x = 571,212,228,757.39
  5. Step 5: Solve for x
    x = 571,212,228,757.39/985,539.96
  6. Step 6: Final answer
    x = 579,593.17

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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.