Home / 810,162.38-1,118,002.47-447,527.78

Finding the Fourth Proportional to 810,162.38, 1,118,002.47 and 447,527.78

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Solution

The fourth proportional to 810,162.38, 1,118,002.47 and 447,527.78 is: 617,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,162.38 : 1,118,002.47 = 447,527.78 : x
  2. Step 2: Convert to fraction form
    810,162.38/1,118,002.47 = 447,527.78/x
  3. Step 3: Cross multiply
    810,162.38x = 1,118,002.47 × 447,527.78
  4. Step 4: Simplify right side
    810,162.38x = 500,337,163,433.62
  5. Step 5: Solve for x
    x = 500,337,163,433.62/810,162.38
  6. Step 6: Final answer
    x = 617,576.40

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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.