Home / 926,460.60-1,389,690.90-365,422.20

Finding the Fourth Proportional to 926,460.60, 1,389,690.90 and 365,422.20

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Solution

The fourth proportional to 926,460.60, 1,389,690.90 and 365,422.20 is: 548,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,460.60 : 1,389,690.90 = 365,422.20 : x
  2. Step 2: Convert to fraction form
    926,460.60/1,389,690.90 = 365,422.20/x
  3. Step 3: Cross multiply
    926,460.60x = 1,389,690.90 × 365,422.20
  4. Step 4: Simplify right side
    926,460.60x = 507,823,905,997.98
  5. Step 5: Solve for x
    x = 507,823,905,997.98/926,460.60
  6. Step 6: Final answer
    x = 548,133.30

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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.