Home / 567,014.57-781,403.49-405,589.35

Finding the Fourth Proportional to 567,014.57, 781,403.49 and 405,589.35

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Solution

The fourth proportional to 567,014.57, 781,403.49 and 405,589.35 is: 558,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,014.57 : 781,403.49 = 405,589.35 : x
  2. Step 2: Convert to fraction form
    567,014.57/781,403.49 = 405,589.35/x
  3. Step 3: Cross multiply
    567,014.57x = 781,403.49 × 405,589.35
  4. Step 4: Simplify right side
    567,014.57x = 316,928,933,596.83
  5. Step 5: Solve for x
    x = 316,928,933,596.83/567,014.57
  6. Step 6: Final answer
    x = 558,943.19

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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.