Home / 984,042.40-1,476,063.60-486,378.40

Finding the Fourth Proportional to 984,042.40, 1,476,063.60 and 486,378.40

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Solution

The fourth proportional to 984,042.40, 1,476,063.60 and 486,378.40 is: 729,567.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,042.40 : 1,476,063.60 = 486,378.40 : x
  2. Step 2: Convert to fraction form
    984,042.40/1,476,063.60 = 486,378.40/x
  3. Step 3: Cross multiply
    984,042.40x = 1,476,063.60 × 486,378.40
  4. Step 4: Simplify right side
    984,042.40x = 717,925,452,066.24
  5. Step 5: Solve for x
    x = 717,925,452,066.24/984,042.40
  6. Step 6: Final answer
    x = 729,567.60

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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.