Home / 424,921.86-586,434.53-317,305.06

Finding the Fourth Proportional to 424,921.86, 586,434.53 and 317,305.06

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Solution

The fourth proportional to 424,921.86, 586,434.53 and 317,305.06 is: 437,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,921.86 : 586,434.53 = 317,305.06 : x
  2. Step 2: Convert to fraction form
    424,921.86/586,434.53 = 317,305.06/x
  3. Step 3: Cross multiply
    424,921.86x = 586,434.53 × 317,305.06
  4. Step 4: Simplify right side
    424,921.86x = 186,078,643,727.72
  5. Step 5: Solve for x
    x = 186,078,643,727.72/424,921.86
  6. Step 6: Final answer
    x = 437,912.62

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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.