Home / 558,114.14-770,192.16-303,465.38

Finding the Fourth Proportional to 558,114.14, 770,192.16 and 303,465.38

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Solution

The fourth proportional to 558,114.14, 770,192.16 and 303,465.38 is: 418,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,114.14 : 770,192.16 = 303,465.38 : x
  2. Step 2: Convert to fraction form
    558,114.14/770,192.16 = 303,465.38/x
  3. Step 3: Cross multiply
    558,114.14x = 770,192.16 × 303,465.38
  4. Step 4: Simplify right side
    558,114.14x = 233,726,656,507.42
  5. Step 5: Solve for x
    x = 233,726,656,507.42/558,114.14
  6. Step 6: Final answer
    x = 418,779.31

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1.5x scale

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.