Home / 696,696.89-1,045,046.93-191,264.78

Finding the Fourth Proportional to 696,696.89, 1,045,046.93 and 191,264.78

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Solution

The fourth proportional to 696,696.89, 1,045,046.93 and 191,264.78 is: 286,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,696.89 : 1,045,046.93 = 191,264.78 : x
  2. Step 2: Convert to fraction form
    696,696.89/1,045,046.93 = 191,264.78/x
  3. Step 3: Cross multiply
    696,696.89x = 1,045,046.93 × 191,264.78
  4. Step 4: Simplify right side
    696,696.89x = 199,880,675,130.50
  5. Step 5: Solve for x
    x = 199,880,675,130.50/696,696.89
  6. Step 6: Final answer
    x = 286,897.61

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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.