Home / 877,805.94-1,211,372.20-475,397.94

Finding the Fourth Proportional to 877,805.94, 1,211,372.20 and 475,397.94

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Solution

The fourth proportional to 877,805.94, 1,211,372.20 and 475,397.94 is: 656,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,805.94 : 1,211,372.20 = 475,397.94 : x
  2. Step 2: Convert to fraction form
    877,805.94/1,211,372.20 = 475,397.94/x
  3. Step 3: Cross multiply
    877,805.94x = 1,211,372.20 × 475,397.94
  4. Step 4: Simplify right side
    877,805.94x = 575,883,848,453.27
  5. Step 5: Solve for x
    x = 575,883,848,453.27/877,805.94
  6. Step 6: Final answer
    x = 656,049.16

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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.