Home / 696,501.82-1,044,752.78-459,789.14

Finding the Fourth Proportional to 696,501.82, 1,044,752.78 and 459,789.14

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Solution

The fourth proportional to 696,501.82, 1,044,752.78 and 459,789.14 is: 689,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,501.82 : 1,044,752.78 = 459,789.14 : x
  2. Step 2: Convert to fraction form
    696,501.82/1,044,752.78 = 459,789.14/x
  3. Step 3: Cross multiply
    696,501.82x = 1,044,752.78 × 459,789.14
  4. Step 4: Simplify right side
    696,501.82x = 480,365,985,990.16
  5. Step 5: Solve for x
    x = 480,365,985,990.16/696,501.82
  6. Step 6: Final answer
    x = 689,683.75

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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.