Home / 724,017.46-995,601.05-628,358.08

Finding the Fourth Proportional to 724,017.46, 995,601.05 and 628,358.08

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Solution

The fourth proportional to 724,017.46, 995,601.05 and 628,358.08 is: 864,059.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,017.46 : 995,601.05 = 628,358.08 : x
  2. Step 2: Convert to fraction form
    724,017.46/995,601.05 = 628,358.08/x
  3. Step 3: Cross multiply
    724,017.46x = 995,601.05 × 628,358.08
  4. Step 4: Simplify right side
    724,017.46x = 625,593,964,223.98
  5. Step 5: Solve for x
    x = 625,593,964,223.98/724,017.46
  6. Step 6: Final answer
    x = 864,059.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.