Home / 696,333.20-1,044,499.80-459,620.51

Finding the Fourth Proportional to 696,333.20, 1,044,499.80 and 459,620.51

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Solution

The fourth proportional to 696,333.20, 1,044,499.80 and 459,620.51 is: 689,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,333.20 : 1,044,499.80 = 459,620.51 : x
  2. Step 2: Convert to fraction form
    696,333.20/1,044,499.80 = 459,620.51/x
  3. Step 3: Cross multiply
    696,333.20x = 1,044,499.80 × 459,620.51
  4. Step 4: Simplify right side
    696,333.20x = 480,073,525,548.40
  5. Step 5: Solve for x
    x = 480,073,525,548.40/696,333.20
  6. Step 6: Final answer
    x = 689,430.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.