Home / 557,669.13-769,581.81-303,020.25

Finding the Fourth Proportional to 557,669.13, 769,581.81 and 303,020.25

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Solution

The fourth proportional to 557,669.13, 769,581.81 and 303,020.25 is: 418,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,669.13 : 769,581.81 = 303,020.25 : x
  2. Step 2: Convert to fraction form
    557,669.13/769,581.81 = 303,020.25/x
  3. Step 3: Cross multiply
    557,669.13x = 769,581.81 × 303,020.25
  4. Step 4: Simplify right side
    557,669.13x = 233,198,872,461.65
  5. Step 5: Solve for x
    x = 233,198,872,461.65/557,669.13
  6. Step 6: Final answer
    x = 418,167.08

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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.