Home / 558,237.34-770,351.07-316,541.98

Finding the Fourth Proportional to 558,237.34, 770,351.07 and 316,541.98

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Solution

The fourth proportional to 558,237.34, 770,351.07 and 316,541.98 is: 436,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,237.34 : 770,351.07 = 316,541.98 : x
  2. Step 2: Convert to fraction form
    558,237.34/770,351.07 = 316,541.98/x
  3. Step 3: Cross multiply
    558,237.34x = 770,351.07 × 316,541.98
  4. Step 4: Simplify right side
    558,237.34x = 243,848,452,992.92
  5. Step 5: Solve for x
    x = 243,848,452,992.92/558,237.34
  6. Step 6: Final answer
    x = 436,818.60

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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.