Home / 827,470.23-1,141,846.67-464,823.26

Finding the Fourth Proportional to 827,470.23, 1,141,846.67 and 464,823.26

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Solution

The fourth proportional to 827,470.23, 1,141,846.67 and 464,823.26 is: 641,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,470.23 : 1,141,846.67 = 464,823.26 : x
  2. Step 2: Convert to fraction form
    827,470.23/1,141,846.67 = 464,823.26/x
  3. Step 3: Cross multiply
    827,470.23x = 1,141,846.67 × 464,823.26
  4. Step 4: Simplify right side
    827,470.23x = 530,756,891,304.29
  5. Step 5: Solve for x
    x = 530,756,891,304.29/827,470.23
  6. Step 6: Final answer
    x = 641,421.13

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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.