Home / 830,416.60-1,245,624.90-531,818.20

Finding the Fourth Proportional to 830,416.60, 1,245,624.90 and 531,818.20

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Solution

The fourth proportional to 830,416.60, 1,245,624.90 and 531,818.20 is: 797,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,416.60 : 1,245,624.90 = 531,818.20 : x
  2. Step 2: Convert to fraction form
    830,416.60/1,245,624.90 = 531,818.20/x
  3. Step 3: Cross multiply
    830,416.60x = 1,245,624.90 × 531,818.20
  4. Step 4: Simplify right side
    830,416.60x = 662,445,992,193.18
  5. Step 5: Solve for x
    x = 662,445,992,193.18/830,416.60
  6. Step 6: Final answer
    x = 797,727.30

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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.