Home / 984,710.70-1,477,066.05-311,265.06

Finding the Fourth Proportional to 984,710.70, 1,477,066.05 and 311,265.06

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Solution

The fourth proportional to 984,710.70, 1,477,066.05 and 311,265.06 is: 466,897.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,710.70 : 1,477,066.05 = 311,265.06 : x
  2. Step 2: Convert to fraction form
    984,710.70/1,477,066.05 = 311,265.06/x
  3. Step 3: Cross multiply
    984,710.70x = 1,477,066.05 × 311,265.06
  4. Step 4: Simplify right side
    984,710.70x = 459,759,052,677.21
  5. Step 5: Solve for x
    x = 459,759,052,677.21/984,710.70
  6. Step 6: Final answer
    x = 466,897.59

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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.