Home / 877,804.94-1,211,370.82-475,396.94

Finding the Fourth Proportional to 877,804.94, 1,211,370.82 and 475,396.94

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Solution

The fourth proportional to 877,804.94, 1,211,370.82 and 475,396.94 is: 656,047.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,804.94 : 1,211,370.82 = 475,396.94 : x
  2. Step 2: Convert to fraction form
    877,804.94/1,211,370.82 = 475,396.94/x
  3. Step 3: Cross multiply
    877,804.94x = 1,211,370.82 × 475,396.94
  4. Step 4: Simplify right side
    877,804.94x = 575,881,981,033.29
  5. Step 5: Solve for x
    x = 575,881,981,033.29/877,804.94
  6. Step 6: Final answer
    x = 656,047.78

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1.5x scale

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.