Home / 984,117.40-1,476,176.10-486,453.40

Finding the Fourth Proportional to 984,117.40, 1,476,176.10 and 486,453.40

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Solution

The fourth proportional to 984,117.40, 1,476,176.10 and 486,453.40 is: 729,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,117.40 : 1,476,176.10 = 486,453.40 : x
  2. Step 2: Convert to fraction form
    984,117.40/1,476,176.10 = 486,453.40/x
  3. Step 3: Cross multiply
    984,117.40x = 1,476,176.10 × 486,453.40
  4. Step 4: Simplify right side
    984,117.40x = 718,090,882,843.74
  5. Step 5: Solve for x
    x = 718,090,882,843.74/984,117.40
  6. Step 6: Final answer
    x = 729,680.10

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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.