Home / 748,094.60-1,122,846.60-393,363.20

Finding the Fourth Proportional to 748,094.60, 1,122,846.60 and 393,363.20

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Solution

The fourth proportional to 748,094.60, 1,122,846.60 and 393,363.20 is: 590,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,094.60 : 1,122,846.60 = 393,363.20 : x
  2. Step 2: Convert to fraction form
    748,094.60/1,122,846.60 = 393,363.20/x
  3. Step 3: Cross multiply
    748,094.60x = 1,122,846.60 × 393,363.20
  4. Step 4: Simplify right side
    748,094.60x = 441,686,531,685.12
  5. Step 5: Solve for x
    x = 441,686,531,685.12/748,094.60
  6. Step 6: Final answer
    x = 590,415.35

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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.