Home / 826,069.50-1,139,995.56-463,520.18

Finding the Fourth Proportional to 826,069.50, 1,139,995.56 and 463,520.18

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Solution

The fourth proportional to 826,069.50, 1,139,995.56 and 463,520.18 is: 639,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,069.50 : 1,139,995.56 = 463,520.18 : x
  2. Step 2: Convert to fraction form
    826,069.50/1,139,995.56 = 463,520.18/x
  3. Step 3: Cross multiply
    826,069.50x = 1,139,995.56 × 463,520.18
  4. Step 4: Simplify right side
    826,069.50x = 528,410,947,170.40
  5. Step 5: Solve for x
    x = 528,410,947,170.40/826,069.50
  6. Step 6: Final answer
    x = 639,668.87

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Double scale
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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.