Home / 984,187.40-1,476,281.10-486,523.40

Finding the Fourth Proportional to 984,187.40, 1,476,281.10 and 486,523.40

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Solution

The fourth proportional to 984,187.40, 1,476,281.10 and 486,523.40 is: 729,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,187.40 : 1,476,281.10 = 486,523.40 : x
  2. Step 2: Convert to fraction form
    984,187.40/1,476,281.10 = 486,523.40/x
  3. Step 3: Cross multiply
    984,187.40x = 1,476,281.10 × 486,523.40
  4. Step 4: Simplify right side
    984,187.40x = 718,245,300,127.74
  5. Step 5: Solve for x
    x = 718,245,300,127.74/984,187.40
  6. Step 6: Final answer
    x = 729,785.10

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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.