Home / 810,874.82-1,119,184.90-471,538.82

Finding the Fourth Proportional to 810,874.82, 1,119,184.90 and 471,538.82

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Solution

The fourth proportional to 810,874.82, 1,119,184.90 and 471,538.82 is: 650,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,874.82 : 1,119,184.90 = 471,538.82 : x
  2. Step 2: Convert to fraction form
    810,874.82/1,119,184.90 = 471,538.82/x
  3. Step 3: Cross multiply
    810,874.82x = 1,119,184.90 × 471,538.82
  4. Step 4: Simplify right side
    810,874.82x = 527,739,127,107.82
  5. Step 5: Solve for x
    x = 527,739,127,107.82/810,874.82
  6. Step 6: Final answer
    x = 650,826.88

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Double scale
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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.