Home / 419,293.07-578,633.93-237,988.04

Finding the Fourth Proportional to 419,293.07, 578,633.93 and 237,988.04

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Solution

The fourth proportional to 419,293.07, 578,633.93 and 237,988.04 is: 328,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,293.07 : 578,633.93 = 237,988.04 : x
  2. Step 2: Convert to fraction form
    419,293.07/578,633.93 = 237,988.04/x
  3. Step 3: Cross multiply
    419,293.07x = 578,633.93 × 237,988.04
  4. Step 4: Simplify right side
    419,293.07x = 137,707,950,795.09
  5. Step 5: Solve for x
    x = 137,707,950,795.09/419,293.07
  6. Step 6: Final answer
    x = 328,428.88

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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.