Home / 403,051.20-556,441.02-267,269.64

Finding the Fourth Proportional to 403,051.20, 556,441.02 and 267,269.64

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Solution

The fourth proportional to 403,051.20, 556,441.02 and 267,269.64 is: 368,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,051.20 : 556,441.02 = 267,269.64 : x
  2. Step 2: Convert to fraction form
    403,051.20/556,441.02 = 267,269.64/x
  3. Step 3: Cross multiply
    403,051.20x = 556,441.02 × 267,269.64
  4. Step 4: Simplify right side
    403,051.20x = 148,719,791,096.63
  5. Step 5: Solve for x
    x = 148,719,791,096.63/403,051.20
  6. Step 6: Final answer
    x = 368,984.86

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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.