Home / 830,668.30-1,246,002.45-547,233.10

Finding the Fourth Proportional to 830,668.30, 1,246,002.45 and 547,233.10

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Solution

The fourth proportional to 830,668.30, 1,246,002.45 and 547,233.10 is: 820,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,668.30 : 1,246,002.45 = 547,233.10 : x
  2. Step 2: Convert to fraction form
    830,668.30/1,246,002.45 = 547,233.10/x
  3. Step 3: Cross multiply
    830,668.30x = 1,246,002.45 × 547,233.10
  4. Step 4: Simplify right side
    830,668.30x = 681,853,783,321.10
  5. Step 5: Solve for x
    x = 681,853,783,321.10/830,668.30
  6. Step 6: Final answer
    x = 820,849.65

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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.