Home / 769,589.92-1,062,014.48-430,060.96

Finding the Fourth Proportional to 769,589.92, 1,062,014.48 and 430,060.96

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Solution

The fourth proportional to 769,589.92, 1,062,014.48 and 430,060.96 is: 593,473.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,589.92 : 1,062,014.48 = 430,060.96 : x
  2. Step 2: Convert to fraction form
    769,589.92/1,062,014.48 = 430,060.96/x
  3. Step 3: Cross multiply
    769,589.92x = 1,062,014.48 × 430,060.96
  4. Step 4: Simplify right side
    769,589.92x = 456,730,966,802.70
  5. Step 5: Solve for x
    x = 456,730,966,802.70/769,589.92
  6. Step 6: Final answer
    x = 593,473.17

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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.