Home / 656,440.40-984,646.20-183,112.40

Finding the Fourth Proportional to 656,440.40, 984,646.20 and 183,112.40

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Solution

The fourth proportional to 656,440.40, 984,646.20 and 183,112.40 is: 274,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,440.40 : 984,646.20 = 183,112.40 : x
  2. Step 2: Convert to fraction form
    656,440.40/984,646.20 = 183,112.40/x
  3. Step 3: Cross multiply
    656,440.40x = 984,646.20 × 183,112.40
  4. Step 4: Simplify right side
    656,440.40x = 180,300,928,832.88
  5. Step 5: Solve for x
    x = 180,300,928,832.88/656,440.40
  6. Step 6: Final answer
    x = 274,664.58

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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.