Home / 830,200.20-1,245,300.30-573,337.05

Finding the Fourth Proportional to 830,200.20, 1,245,300.30 and 573,337.05

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Solution

The fourth proportional to 830,200.20, 1,245,300.30 and 573,337.05 is: 860,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,200.20 : 1,245,300.30 = 573,337.05 : x
  2. Step 2: Convert to fraction form
    830,200.20/1,245,300.30 = 573,337.05/x
  3. Step 3: Cross multiply
    830,200.20x = 1,245,300.30 × 573,337.05
  4. Step 4: Simplify right side
    830,200.20x = 713,976,800,366.12
  5. Step 5: Solve for x
    x = 713,976,800,366.12/830,200.20
  6. Step 6: Final answer
    x = 860,005.58

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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.