Home / 830,800.36-1,145,751.78-544,215.88

Finding the Fourth Proportional to 830,800.36, 1,145,751.78 and 544,215.88

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Solution

The fourth proportional to 830,800.36, 1,145,751.78 and 544,215.88 is: 750,524.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,800.36 : 1,145,751.78 = 544,215.88 : x
  2. Step 2: Convert to fraction form
    830,800.36/1,145,751.78 = 544,215.88/x
  3. Step 3: Cross multiply
    830,800.36x = 1,145,751.78 × 544,215.88
  4. Step 4: Simplify right side
    830,800.36x = 623,536,313,214.27
  5. Step 5: Solve for x
    x = 623,536,313,214.27/830,800.36
  6. Step 6: Final answer
    x = 750,524.85

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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.