Home / 830,336.30-1,245,504.45-546,901.10

Finding the Fourth Proportional to 830,336.30, 1,245,504.45 and 546,901.10

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Solution

The fourth proportional to 830,336.30, 1,245,504.45 and 546,901.10 is: 820,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,336.30 : 1,245,504.45 = 546,901.10 : x
  2. Step 2: Convert to fraction form
    830,336.30/1,245,504.45 = 546,901.10/x
  3. Step 3: Cross multiply
    830,336.30x = 1,245,504.45 × 546,901.10
  4. Step 4: Simplify right side
    830,336.30x = 681,167,753,759.90
  5. Step 5: Solve for x
    x = 681,167,753,759.90/830,336.30
  6. Step 6: Final answer
    x = 820,351.65

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Half scale
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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.