Home / 877,696.04-1,211,213.60-475,288.04

Finding the Fourth Proportional to 877,696.04, 1,211,213.60 and 475,288.04

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Solution

The fourth proportional to 877,696.04, 1,211,213.60 and 475,288.04 is: 655,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,696.04 : 1,211,213.60 = 475,288.04 : x
  2. Step 2: Convert to fraction form
    877,696.04/1,211,213.60 = 475,288.04/x
  3. Step 3: Cross multiply
    877,696.04x = 1,211,213.60 × 475,288.04
  4. Step 4: Simplify right side
    877,696.04x = 575,675,337,965.34
  5. Step 5: Solve for x
    x = 575,675,337,965.34/877,696.04
  6. Step 6: Final answer
    x = 655,893.74

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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.