Home / 451,689.44-623,342.40-247,748.72

Finding the Fourth Proportional to 451,689.44, 623,342.40 and 247,748.72

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Solution

The fourth proportional to 451,689.44, 623,342.40 and 247,748.72 is: 341,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,689.44 : 623,342.40 = 247,748.72 : x
  2. Step 2: Convert to fraction form
    451,689.44/623,342.40 = 247,748.72/x
  3. Step 3: Cross multiply
    451,689.44x = 623,342.40 × 247,748.72
  4. Step 4: Simplify right side
    451,689.44x = 154,432,281,721.73
  5. Step 5: Solve for x
    x = 154,432,281,721.73/451,689.44
  6. Step 6: Final answer
    x = 341,899.25

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1.5x scale

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.