Home / 827,604.54-1,142,114.28-465,006.77

Finding the Fourth Proportional to 827,604.54, 1,142,114.28 and 465,006.77

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Solution

The fourth proportional to 827,604.54, 1,142,114.28 and 465,006.77 is: 641,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,604.54 : 1,142,114.28 = 465,006.77 : x
  2. Step 2: Convert to fraction form
    827,604.54/1,142,114.28 = 465,006.77/x
  3. Step 3: Cross multiply
    827,604.54x = 1,142,114.28 × 465,006.77
  4. Step 4: Simplify right side
    827,604.54x = 531,090,875,566.65
  5. Step 5: Solve for x
    x = 531,090,875,566.65/827,604.54
  6. Step 6: Final answer
    x = 641,720.59

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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.