Home / 691,770.85-1,037,971.54-355,047.94

Finding the Fourth Proportional to 691,770.85, 1,037,971.54 and 355,047.94

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Solution

The fourth proportional to 691,770.85, 1,037,971.54 and 355,047.94 is: 532,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,770.85 : 1,037,971.54 = 355,047.94 : x
  2. Step 2: Convert to fraction form
    691,770.85/1,037,971.54 = 355,047.94/x
  3. Step 3: Cross multiply
    691,770.85x = 1,037,971.54 × 355,047.94
  4. Step 4: Simplify right side
    691,770.85x = 368,529,657,055.63
  5. Step 5: Solve for x
    x = 368,529,657,055.63/691,770.85
  6. Step 6: Final answer
    x = 532,733.72

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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.