Home / 984,967.20-1,477,450.80-353,901.60

Finding the Fourth Proportional to 984,967.20, 1,477,450.80 and 353,901.60

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Solution

The fourth proportional to 984,967.20, 1,477,450.80 and 353,901.60 is: 530,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,967.20 : 1,477,450.80 = 353,901.60 : x
  2. Step 2: Convert to fraction form
    984,967.20/1,477,450.80 = 353,901.60/x
  3. Step 3: Cross multiply
    984,967.20x = 1,477,450.80 × 353,901.60
  4. Step 4: Simplify right side
    984,967.20x = 522,872,202,041.28
  5. Step 5: Solve for x
    x = 522,872,202,041.28/984,967.20
  6. Step 6: Final answer
    x = 530,852.40

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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.