Home / 425,312.08-586,928.91-231,719.26

Finding the Fourth Proportional to 425,312.08, 586,928.91 and 231,719.26

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Solution

The fourth proportional to 425,312.08, 586,928.91 and 231,719.26 is: 319,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,312.08 : 586,928.91 = 231,719.26 : x
  2. Step 2: Convert to fraction form
    425,312.08/586,928.91 = 231,719.26/x
  3. Step 3: Cross multiply
    425,312.08x = 586,928.91 × 231,719.26
  4. Step 4: Simplify right side
    425,312.08x = 136,002,732,697.81
  5. Step 5: Solve for x
    x = 136,002,732,697.81/425,312.08
  6. Step 6: Final answer
    x = 319,771.62

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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.