Home / 424,921.36-586,433.84-317,304.56

Finding the Fourth Proportional to 424,921.36, 586,433.84 and 317,304.56

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Solution

The fourth proportional to 424,921.36, 586,433.84 and 317,304.56 is: 437,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,921.36 : 586,433.84 = 317,304.56 : x
  2. Step 2: Convert to fraction form
    424,921.36/586,433.84 = 317,304.56/x
  3. Step 3: Cross multiply
    424,921.36x = 586,433.84 × 317,304.56
  4. Step 4: Simplify right side
    424,921.36x = 186,078,131,570.31
  5. Step 5: Solve for x
    x = 186,078,131,570.31/424,921.36
  6. Step 6: Final answer
    x = 437,911.93

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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.