Home / 690,499.76-1,035,043.79-465,882.98

Finding the Fourth Proportional to 690,499.76, 1,035,043.79 and 465,882.98

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Solution

The fourth proportional to 690,499.76, 1,035,043.79 and 465,882.98 is: 698,348.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,499.76 : 1,035,043.79 = 465,882.98 : x
  2. Step 2: Convert to fraction form
    690,499.76/1,035,043.79 = 465,882.98/x
  3. Step 3: Cross multiply
    690,499.76x = 1,035,043.79 × 465,882.98
  4. Step 4: Simplify right side
    690,499.76x = 482,209,277,811.06
  5. Step 5: Solve for x
    x = 482,209,277,811.06/690,499.76
  6. Step 6: Final answer
    x = 698,348.22

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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.