Home / 557,760.24-769,708.80-303,111.45

Finding the Fourth Proportional to 557,760.24, 769,708.80 and 303,111.45

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Solution

The fourth proportional to 557,760.24, 769,708.80 and 303,111.45 is: 418,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,760.24 : 769,708.80 = 303,111.45 : x
  2. Step 2: Convert to fraction form
    557,760.24/769,708.80 = 303,111.45/x
  3. Step 3: Cross multiply
    557,760.24x = 769,708.80 × 303,111.45
  4. Step 4: Simplify right side
    557,760.24x = 233,307,550,445.76
  5. Step 5: Solve for x
    x = 233,307,550,445.76/557,760.24
  6. Step 6: Final answer
    x = 418,293.62

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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.