Home / 827,265.70-1,241,128.95-406,555.30

Finding the Fourth Proportional to 827,265.70, 1,241,128.95 and 406,555.30

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Solution

The fourth proportional to 827,265.70, 1,241,128.95 and 406,555.30 is: 609,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,265.70 : 1,241,128.95 = 406,555.30 : x
  2. Step 2: Convert to fraction form
    827,265.70/1,241,128.95 = 406,555.30/x
  3. Step 3: Cross multiply
    827,265.70x = 1,241,128.95 × 406,555.30
  4. Step 4: Simplify right side
    827,265.70x = 504,587,552,605.94
  5. Step 5: Solve for x
    x = 504,587,552,605.94/827,265.70
  6. Step 6: Final answer
    x = 609,946.18

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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.