Home / 1,154,129.60-1,731,194.40-656,465.60

Finding the Fourth Proportional to 1,154,129.60, 1,731,194.40 and 656,465.60

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Solution

The fourth proportional to 1,154,129.60, 1,731,194.40 and 656,465.60 is: 984,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,129.60 : 1,731,194.40 = 656,465.60 : x
  2. Step 2: Convert to fraction form
    1,154,129.60/1,731,194.40 = 656,465.60/x
  3. Step 3: Cross multiply
    1,154,129.60x = 1,731,194.40 × 656,465.60
  4. Step 4: Simplify right side
    1,154,129.60x = 1,136,469,570,512.64
  5. Step 5: Solve for x
    x = 1,136,469,570,512.64/1,154,129.60
  6. Step 6: Final answer
    x = 984,698.40

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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.