Home / 709,631.70-1,061,855.55-523,007.70

Finding the Fourth Proportional to 709,631.70, 1,061,855.55 and 523,007.70

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Solution

The fourth proportional to 709,631.70, 1,061,855.55 and 523,007.70 is: 782,601.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,631.70 : 1,061,855.55 = 523,007.70 : x
  2. Step 2: Convert to fraction form
    709,631.70/1,061,855.55 = 523,007.70/x
  3. Step 3: Cross multiply
    709,631.70x = 1,061,855.55 × 523,007.70
  4. Step 4: Simplify right side
    709,631.70x = 555,358,628,937.74
  5. Step 5: Solve for x
    x = 555,358,628,937.74/709,631.70
  6. Step 6: Final answer
    x = 782,601.21

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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.