Home / 1,209,404.76-1,668,991.08-693,147.47

Finding the Fourth Proportional to 1,209,404.76, 1,668,991.08 and 693,147.47

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Solution

The fourth proportional to 1,209,404.76, 1,668,991.08 and 693,147.47 is: 956,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,404.76 : 1,668,991.08 = 693,147.47 : x
  2. Step 2: Convert to fraction form
    1,209,404.76/1,668,991.08 = 693,147.47/x
  3. Step 3: Cross multiply
    1,209,404.76x = 1,668,991.08 × 693,147.47
  4. Step 4: Simplify right side
    1,209,404.76x = 1,156,856,936,209.61
  5. Step 5: Solve for x
    x = 1,156,856,936,209.61/1,209,404.76
  6. Step 6: Final answer
    x = 956,550.67

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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.