Home / 826,566.80-1,240,626.36-406,144.40

Finding the Fourth Proportional to 826,566.80, 1,240,626.36 and 406,144.40

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Solution

The fourth proportional to 826,566.80, 1,240,626.36 and 406,144.40 is: 609,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,566.80 : 1,240,626.36 = 406,144.40 : x
  2. Step 2: Convert to fraction form
    826,566.80/1,240,626.36 = 406,144.40/x
  3. Step 3: Cross multiply
    826,566.80x = 1,240,626.36 × 406,144.40
  4. Step 4: Simplify right side
    826,566.80x = 503,873,448,606.38
  5. Step 5: Solve for x
    x = 503,873,448,606.38/826,566.80
  6. Step 6: Final answer
    x = 609,597.98

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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.