Home / 656,622.12-984,963.36-201,180.74

Finding the Fourth Proportional to 656,622.12, 984,963.36 and 201,180.74

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Solution

The fourth proportional to 656,622.12, 984,963.36 and 201,180.74 is: 301,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,622.12 : 984,963.36 = 201,180.74 : x
  2. Step 2: Convert to fraction form
    656,622.12/984,963.36 = 201,180.74/x
  3. Step 3: Cross multiply
    656,622.12x = 984,963.36 × 201,180.74
  4. Step 4: Simplify right side
    656,622.12x = 198,155,657,160.91
  5. Step 5: Solve for x
    x = 198,155,657,160.91/656,622.12
  6. Step 6: Final answer
    x = 301,780.36

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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.