Home / 877,843.36-1,211,409.24-490,667.84

Finding the Fourth Proportional to 877,843.36, 1,211,409.24 and 490,667.84

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Solution

The fourth proportional to 877,843.36, 1,211,409.24 and 490,667.84 is: 677,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,843.36 : 1,211,409.24 = 490,667.84 : x
  2. Step 2: Convert to fraction form
    877,843.36/1,211,409.24 = 490,667.84/x
  3. Step 3: Cross multiply
    877,843.36x = 1,211,409.24 × 490,667.84
  4. Step 4: Simplify right side
    877,843.36x = 594,399,555,146.84
  5. Step 5: Solve for x
    x = 594,399,555,146.84/877,843.36
  6. Step 6: Final answer
    x = 677,113.46

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Double scale
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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.