Home / 424,840.28-586,295.06-231,238.64

Finding the Fourth Proportional to 424,840.28, 586,295.06 and 231,238.64

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Solution

The fourth proportional to 424,840.28, 586,295.06 and 231,238.64 is: 319,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,840.28 : 586,295.06 = 231,238.64 : x
  2. Step 2: Convert to fraction form
    424,840.28/586,295.06 = 231,238.64/x
  3. Step 3: Cross multiply
    424,840.28x = 586,295.06 × 231,238.64
  4. Step 4: Simplify right side
    424,840.28x = 135,574,072,313.12
  5. Step 5: Solve for x
    x = 135,574,072,313.12/424,840.28
  6. Step 6: Final answer
    x = 319,117.75

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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.