Home / 734,742.20-1,102,113.30-314,060.60

Finding the Fourth Proportional to 734,742.20, 1,102,113.30 and 314,060.60

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Solution

The fourth proportional to 734,742.20, 1,102,113.30 and 314,060.60 is: 471,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,742.20 : 1,102,113.30 = 314,060.60 : x
  2. Step 2: Convert to fraction form
    734,742.20/1,102,113.30 = 314,060.60/x
  3. Step 3: Cross multiply
    734,742.20x = 1,102,113.30 × 314,060.60
  4. Step 4: Simplify right side
    734,742.20x = 346,130,364,265.98
  5. Step 5: Solve for x
    x = 346,130,364,265.98/734,742.20
  6. Step 6: Final answer
    x = 471,090.90

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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.