Home / 826,619.30-1,239,928.95-543,184.10

Finding the Fourth Proportional to 826,619.30, 1,239,928.95 and 543,184.10

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Solution

The fourth proportional to 826,619.30, 1,239,928.95 and 543,184.10 is: 814,776.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,619.30 : 1,239,928.95 = 543,184.10 : x
  2. Step 2: Convert to fraction form
    826,619.30/1,239,928.95 = 543,184.10/x
  3. Step 3: Cross multiply
    826,619.30x = 1,239,928.95 × 543,184.10
  4. Step 4: Simplify right side
    826,619.30x = 673,509,690,769.70
  5. Step 5: Solve for x
    x = 673,509,690,769.70/826,619.30
  6. Step 6: Final answer
    x = 814,776.15

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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.