Home / 826,839.80-1,140,968.94-464,235.20

Finding the Fourth Proportional to 826,839.80, 1,140,968.94 and 464,235.20

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Solution

The fourth proportional to 826,839.80, 1,140,968.94 and 464,235.20 is: 640,605.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,839.80 : 1,140,968.94 = 464,235.20 : x
  2. Step 2: Convert to fraction form
    826,839.80/1,140,968.94 = 464,235.20/x
  3. Step 3: Cross multiply
    826,839.80x = 1,140,968.94 × 464,235.20
  4. Step 4: Simplify right side
    826,839.80x = 529,677,944,054.69
  5. Step 5: Solve for x
    x = 529,677,944,054.69/826,839.80
  6. Step 6: Final answer
    x = 640,605.28

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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.