Home / 588,064.08-811,229.28-384,234.32

Finding the Fourth Proportional to 588,064.08, 811,229.28 and 384,234.32

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Solution

The fourth proportional to 588,064.08, 811,229.28 and 384,234.32 is: 530,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,064.08 : 811,229.28 = 384,234.32 : x
  2. Step 2: Convert to fraction form
    588,064.08/811,229.28 = 384,234.32/x
  3. Step 3: Cross multiply
    588,064.08x = 811,229.28 × 384,234.32
  4. Step 4: Simplify right side
    588,064.08x = 311,702,130,764.89
  5. Step 5: Solve for x
    x = 311,702,130,764.89/588,064.08
  6. Step 6: Final answer
    x = 530,047.90

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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.