Home / 659,814.23-990,218.82-482,777.93

Finding the Fourth Proportional to 659,814.23, 990,218.82 and 482,777.93

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Solution

The fourth proportional to 659,814.23, 990,218.82 and 482,777.93 is: 724,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,814.23 : 990,218.82 = 482,777.93 : x
  2. Step 2: Convert to fraction form
    659,814.23/990,218.82 = 482,777.93/x
  3. Step 3: Cross multiply
    659,814.23x = 990,218.82 × 482,777.93
  4. Step 4: Simplify right side
    659,814.23x = 478,055,792,166.64
  5. Step 5: Solve for x
    x = 478,055,792,166.64/659,814.23
  6. Step 6: Final answer
    x = 724,530.89

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1.5x scale

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.