Home / 448,631.12-619,089.08-267,339.02

Finding the Fourth Proportional to 448,631.12, 619,089.08 and 267,339.02

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Solution

The fourth proportional to 448,631.12, 619,089.08 and 267,339.02 is: 368,914.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,631.12 : 619,089.08 = 267,339.02 : x
  2. Step 2: Convert to fraction form
    448,631.12/619,089.08 = 267,339.02/x
  3. Step 3: Cross multiply
    448,631.12x = 619,089.08 × 267,339.02
  4. Step 4: Simplify right side
    448,631.12x = 165,506,667,939.90
  5. Step 5: Solve for x
    x = 165,506,667,939.90/448,631.12
  6. Step 6: Final answer
    x = 368,914.82

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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.