Home / 558,237.47-770,351.24-316,542.11

Finding the Fourth Proportional to 558,237.47, 770,351.24 and 316,542.11

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Solution

The fourth proportional to 558,237.47, 770,351.24 and 316,542.11 is: 436,818.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,237.47 : 770,351.24 = 316,542.11 : x
  2. Step 2: Convert to fraction form
    558,237.47/770,351.24 = 316,542.11/x
  3. Step 3: Cross multiply
    558,237.47x = 770,351.24 × 316,542.11
  4. Step 4: Simplify right side
    558,237.47x = 243,848,603,890.32
  5. Step 5: Solve for x
    x = 243,848,603,890.32/558,237.47
  6. Step 6: Final answer
    x = 436,818.77

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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.