Home / 740,086.20-1,110,647.70-474,492.60

Finding the Fourth Proportional to 740,086.20, 1,110,647.70 and 474,492.60

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Solution

The fourth proportional to 740,086.20, 1,110,647.70 and 474,492.60 is: 712,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,086.20 : 1,110,647.70 = 474,492.60 : x
  2. Step 2: Convert to fraction form
    740,086.20/1,110,647.70 = 474,492.60/x
  3. Step 3: Cross multiply
    740,086.20x = 1,110,647.70 × 474,492.60
  4. Step 4: Simplify right side
    740,086.20x = 526,994,114,857.02
  5. Step 5: Solve for x
    x = 526,994,114,857.02/740,086.20
  6. Step 6: Final answer
    x = 712,071.26

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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.