Home / 1,051,605.70-1,577,408.55-341,656.90

Finding the Fourth Proportional to 1,051,605.70, 1,577,408.55 and 341,656.90

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Solution

The fourth proportional to 1,051,605.70, 1,577,408.55 and 341,656.90 is: 512,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,605.70 : 1,577,408.55 = 341,656.90 : x
  2. Step 2: Convert to fraction form
    1,051,605.70/1,577,408.55 = 341,656.90/x
  3. Step 3: Cross multiply
    1,051,605.70x = 1,577,408.55 × 341,656.90
  4. Step 4: Simplify right side
    1,051,605.70x = 538,932,515,226.50
  5. Step 5: Solve for x
    x = 538,932,515,226.50/1,051,605.70
  6. Step 6: Final answer
    x = 512,485.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.