Home / 476,408.94-657,461.25-261,565.35

Finding the Fourth Proportional to 476,408.94, 657,461.25 and 261,565.35

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Solution

The fourth proportional to 476,408.94, 657,461.25 and 261,565.35 is: 360,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,408.94 : 657,461.25 = 261,565.35 : x
  2. Step 2: Convert to fraction form
    476,408.94/657,461.25 = 261,565.35/x
  3. Step 3: Cross multiply
    476,408.94x = 657,461.25 × 261,565.35
  4. Step 4: Simplify right side
    476,408.94x = 171,969,081,967.69
  5. Step 5: Solve for x
    x = 171,969,081,967.69/476,408.94
  6. Step 6: Final answer
    x = 360,969.47

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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.