Home / 1,065,477.60-1,601,715.60-911,512.80

Finding the Fourth Proportional to 1,065,477.60, 1,601,715.60 and 911,512.80

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Solution

The fourth proportional to 1,065,477.60, 1,601,715.60 and 911,512.80 is: 1,370,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,477.60 : 1,601,715.60 = 911,512.80 : x
  2. Step 2: Convert to fraction form
    1,065,477.60/1,601,715.60 = 911,512.80/x
  3. Step 3: Cross multiply
    1,065,477.60x = 1,601,715.60 × 911,512.80
  4. Step 4: Simplify right side
    1,065,477.60x = 1,459,984,271,359.68
  5. Step 5: Solve for x
    x = 1,459,984,271,359.68/1,065,477.60
  6. Step 6: Final answer
    x = 1,370,262.75

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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.