Home / 984,314.10-1,476,471.15-353,145.90

Finding the Fourth Proportional to 984,314.10, 1,476,471.15 and 353,145.90

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Solution

The fourth proportional to 984,314.10, 1,476,471.15 and 353,145.90 is: 529,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,314.10 : 1,476,471.15 = 353,145.90 : x
  2. Step 2: Convert to fraction form
    984,314.10/1,476,471.15 = 353,145.90/x
  3. Step 3: Cross multiply
    984,314.10x = 1,476,471.15 × 353,145.90
  4. Step 4: Simplify right side
    984,314.10x = 521,409,733,090.79
  5. Step 5: Solve for x
    x = 521,409,733,090.79/984,314.10
  6. Step 6: Final answer
    x = 529,718.85

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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.