Home / 1,177,977.69-1,766,756.17-313,417.58

Finding the Fourth Proportional to 1,177,977.69, 1,766,756.17 and 313,417.58

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Solution

The fourth proportional to 1,177,977.69, 1,766,756.17 and 313,417.58 is: 470,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,977.69 : 1,766,756.17 = 313,417.58 : x
  2. Step 2: Convert to fraction form
    1,177,977.69/1,766,756.17 = 313,417.58/x
  3. Step 3: Cross multiply
    1,177,977.69x = 1,766,756.17 × 313,417.58
  4. Step 4: Simplify right side
    1,177,977.69x = 553,732,433,634.14
  5. Step 5: Solve for x
    x = 553,732,433,634.14/1,177,977.69
  6. Step 6: Final answer
    x = 470,070.39

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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.