Home / 787,373.25-1,180,770.09-619,222.11

Finding the Fourth Proportional to 787,373.25, 1,180,770.09 and 619,222.11

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Solution

The fourth proportional to 787,373.25, 1,180,770.09 and 619,222.11 is: 928,605.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,373.25 : 1,180,770.09 = 619,222.11 : x
  2. Step 2: Convert to fraction form
    787,373.25/1,180,770.09 = 619,222.11/x
  3. Step 3: Cross multiply
    787,373.25x = 1,180,770.09 × 619,222.11
  4. Step 4: Simplify right side
    787,373.25x = 731,158,946,554.69
  5. Step 5: Solve for x
    x = 731,158,946,554.69/787,373.25
  6. Step 6: Final answer
    x = 928,605.27

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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.