Home / 830,316.70-1,245,475.05-573,453.55

Finding the Fourth Proportional to 830,316.70, 1,245,475.05 and 573,453.55

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Solution

The fourth proportional to 830,316.70, 1,245,475.05 and 573,453.55 is: 860,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,316.70 : 1,245,475.05 = 573,453.55 : x
  2. Step 2: Convert to fraction form
    830,316.70/1,245,475.05 = 573,453.55/x
  3. Step 3: Cross multiply
    830,316.70x = 1,245,475.05 × 573,453.55
  4. Step 4: Simplify right side
    830,316.70x = 714,222,088,858.93
  5. Step 5: Solve for x
    x = 714,222,088,858.93/830,316.70
  6. Step 6: Final answer
    x = 860,180.33

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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.