Home / 425,035.91-586,548.63-231,440.62

Finding the Fourth Proportional to 425,035.91, 586,548.63 and 231,440.62

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Solution

The fourth proportional to 425,035.91, 586,548.63 and 231,440.62 is: 319,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,035.91 : 586,548.63 = 231,440.62 : x
  2. Step 2: Convert to fraction form
    425,035.91/586,548.63 = 231,440.62/x
  3. Step 3: Cross multiply
    425,035.91x = 586,548.63 × 231,440.62
  4. Step 4: Simplify right side
    425,035.91x = 135,751,178,587.35
  5. Step 5: Solve for x
    x = 135,751,178,587.35/425,035.91
  6. Step 6: Final answer
    x = 319,387.55

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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.