Home / 558,646.14-770,949.06-316,938.90

Finding the Fourth Proportional to 558,646.14, 770,949.06 and 316,938.90

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Solution

The fourth proportional to 558,646.14, 770,949.06 and 316,938.90 is: 437,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,646.14 : 770,949.06 = 316,938.90 : x
  2. Step 2: Convert to fraction form
    558,646.14/770,949.06 = 316,938.90/x
  3. Step 3: Cross multiply
    558,646.14x = 770,949.06 × 316,938.90
  4. Step 4: Simplify right side
    558,646.14x = 244,343,747,032.43
  5. Step 5: Solve for x
    x = 244,343,747,032.43/558,646.14
  6. Step 6: Final answer
    x = 437,385.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.