Home / 557,941.43-769,955.51-303,292.62

Finding the Fourth Proportional to 557,941.43, 769,955.51 and 303,292.62

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Solution

The fourth proportional to 557,941.43, 769,955.51 and 303,292.62 is: 418,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,941.43 : 769,955.51 = 303,292.62 : x
  2. Step 2: Convert to fraction form
    557,941.43/769,955.51 = 303,292.62/x
  3. Step 3: Cross multiply
    557,941.43x = 769,955.51 × 303,292.62
  4. Step 4: Simplify right side
    557,941.43x = 233,521,823,911.34
  5. Step 5: Solve for x
    x = 233,521,823,911.34/557,941.43
  6. Step 6: Final answer
    x = 418,541.82

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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.