Home / 734,727.60-1,100,730.60-418,244.40

Finding the Fourth Proportional to 734,727.60, 1,100,730.60 and 418,244.40

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Solution

The fourth proportional to 734,727.60, 1,100,730.60 and 418,244.40 is: 626,591.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,727.60 : 1,100,730.60 = 418,244.40 : x
  2. Step 2: Convert to fraction form
    734,727.60/1,100,730.60 = 418,244.40/x
  3. Step 3: Cross multiply
    734,727.60x = 1,100,730.60 × 418,244.40
  4. Step 4: Simplify right side
    734,727.60x = 460,374,409,358.64
  5. Step 5: Solve for x
    x = 460,374,409,358.64/734,727.60
  6. Step 6: Final answer
    x = 626,591.96

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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.