Home / 827,549.52-1,141,986.53-464,988.66

Finding the Fourth Proportional to 827,549.52, 1,141,986.53 and 464,988.66

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Solution

The fourth proportional to 827,549.52, 1,141,986.53 and 464,988.66 is: 641,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,549.52 : 1,141,986.53 = 464,988.66 : x
  2. Step 2: Convert to fraction form
    827,549.52/1,141,986.53 = 464,988.66/x
  3. Step 3: Cross multiply
    827,549.52x = 1,141,986.53 × 464,988.66
  4. Step 4: Simplify right side
    827,549.52x = 531,010,783,997.81
  5. Step 5: Solve for x
    x = 531,010,783,997.81/827,549.52
  6. Step 6: Final answer
    x = 641,666.48

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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.