Home / 558,636.51-770,935.80-316,929.27

Finding the Fourth Proportional to 558,636.51, 770,935.80 and 316,929.27

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Solution

The fourth proportional to 558,636.51, 770,935.80 and 316,929.27 is: 437,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,636.51 : 770,935.80 = 316,929.27 : x
  2. Step 2: Convert to fraction form
    558,636.51/770,935.80 = 316,929.27/x
  3. Step 3: Cross multiply
    558,636.51x = 770,935.80 × 316,929.27
  4. Step 4: Simplify right side
    558,636.51x = 244,332,116,456.19
  5. Step 5: Solve for x
    x = 244,332,116,456.19/558,636.51
  6. Step 6: Final answer
    x = 437,372.27

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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.