Home / 476,281.58-657,266.27-261,425.30

Finding the Fourth Proportional to 476,281.58, 657,266.27 and 261,425.30

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Solution

The fourth proportional to 476,281.58, 657,266.27 and 261,425.30 is: 360,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,281.58 : 657,266.27 = 261,425.30 : x
  2. Step 2: Convert to fraction form
    476,281.58/657,266.27 = 261,425.30/x
  3. Step 3: Cross multiply
    476,281.58x = 657,266.27 × 261,425.30
  4. Step 4: Simplify right side
    476,281.58x = 171,826,027,221.17
  5. Step 5: Solve for x
    x = 171,826,027,221.17/476,281.58
  6. Step 6: Final answer
    x = 360,765.64

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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.