Home / 769,694.16-1,062,179.48-430,162.40

Finding the Fourth Proportional to 769,694.16, 1,062,179.48 and 430,162.40

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Solution

The fourth proportional to 769,694.16, 1,062,179.48 and 430,162.40 is: 593,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,694.16 : 1,062,179.48 = 430,162.40 : x
  2. Step 2: Convert to fraction form
    769,694.16/1,062,179.48 = 430,162.40/x
  3. Step 3: Cross multiply
    769,694.16x = 1,062,179.48 × 430,162.40
  4. Step 4: Simplify right side
    769,694.16x = 456,909,674,347.55
  5. Step 5: Solve for x
    x = 456,909,674,347.55/769,694.16
  6. Step 6: Final answer
    x = 593,624.97

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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.