Home / 574,157.90-791,516.70-403,863.50

Finding the Fourth Proportional to 574,157.90, 791,516.70 and 403,863.50

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Solution

The fourth proportional to 574,157.90, 791,516.70 and 403,863.50 is: 556,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,157.90 : 791,516.70 = 403,863.50 : x
  2. Step 2: Convert to fraction form
    574,157.90/791,516.70 = 403,863.50/x
  3. Step 3: Cross multiply
    574,157.90x = 791,516.70 × 403,863.50
  4. Step 4: Simplify right side
    574,157.90x = 319,664,704,770.45
  5. Step 5: Solve for x
    x = 319,664,704,770.45/574,157.90
  6. Step 6: Final answer
    x = 556,754.00

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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.