Home / 559,236.20-771,826.48-404,689.28

Finding the Fourth Proportional to 559,236.20, 771,826.48 and 404,689.28

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Solution

The fourth proportional to 559,236.20, 771,826.48 and 404,689.28 is: 558,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,236.20 : 771,826.48 = 404,689.28 : x
  2. Step 2: Convert to fraction form
    559,236.20/771,826.48 = 404,689.28/x
  3. Step 3: Cross multiply
    559,236.20x = 771,826.48 × 404,689.28
  4. Step 4: Simplify right side
    559,236.20x = 312,349,902,476.13
  5. Step 5: Solve for x
    x = 312,349,902,476.13/559,236.20
  6. Step 6: Final answer
    x = 558,529.48

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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.