Home / 785,401.92-1,177,752.96-286,416

Finding the Fourth Proportional to 785,401.92, 1,177,752.96 and 286,416

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Solution

The fourth proportional to 785,401.92, 1,177,752.96 and 286,416 is: 429,496.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,401.92 : 1,177,752.96 = 286,416 : x
  2. Step 2: Convert to fraction form
    785,401.92/1,177,752.96 = 286,416/x
  3. Step 3: Cross multiply
    785,401.92x = 1,177,752.96 × 286,416
  4. Step 4: Simplify right side
    785,401.92x = 337,327,291,791.36
  5. Step 5: Solve for x
    x = 337,327,291,791.36/785,401.92
  6. Step 6: Final answer
    x = 429,496.39

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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.