Home / 830,094.40-1,245,141.60-410,190.40

Finding the Fourth Proportional to 830,094.40, 1,245,141.60 and 410,190.40

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Solution

The fourth proportional to 830,094.40, 1,245,141.60 and 410,190.40 is: 615,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,094.40 : 1,245,141.60 = 410,190.40 : x
  2. Step 2: Convert to fraction form
    830,094.40/1,245,141.60 = 410,190.40/x
  3. Step 3: Cross multiply
    830,094.40x = 1,245,141.60 × 410,190.40
  4. Step 4: Simplify right side
    830,094.40x = 510,745,130,960.64
  5. Step 5: Solve for x
    x = 510,745,130,960.64/830,094.40
  6. Step 6: Final answer
    x = 615,285.60

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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.