Home / 558,721.22-771,116.54-313,733.48

Finding the Fourth Proportional to 558,721.22, 771,116.54 and 313,733.48

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Solution

The fourth proportional to 558,721.22, 771,116.54 and 313,733.48 is: 432,997.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,721.22 : 771,116.54 = 313,733.48 : x
  2. Step 2: Convert to fraction form
    558,721.22/771,116.54 = 313,733.48/x
  3. Step 3: Cross multiply
    558,721.22x = 771,116.54 × 313,733.48
  4. Step 4: Simplify right side
    558,721.22x = 241,925,070,155.51
  5. Step 5: Solve for x
    x = 241,925,070,155.51/558,721.22
  6. Step 6: Final answer
    x = 432,997.82

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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.