Home / 461,543.21-636,886.45-267,899.55

Finding the Fourth Proportional to 461,543.21, 636,886.45 and 267,899.55

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Solution

The fourth proportional to 461,543.21, 636,886.45 and 267,899.55 is: 369,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,543.21 : 636,886.45 = 267,899.55 : x
  2. Step 2: Convert to fraction form
    461,543.21/636,886.45 = 267,899.55/x
  3. Step 3: Cross multiply
    461,543.21x = 636,886.45 × 267,899.55
  4. Step 4: Simplify right side
    461,543.21x = 170,621,593,356.10
  5. Step 5: Solve for x
    x = 170,621,593,356.10/461,543.21
  6. Step 6: Final answer
    x = 369,676.32

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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.